一小時略懂太空科技｜太空旅行、太空醫學、宇宙太陽能、衛星間通訊、星鏈、太空AI資料中心、太空垃圾

YouTube · PanSci · Native everyday · 2026/10/02

2026/10/02

Speech duration: 1h 7min
Unique characters · 376 once: 1,396
Word count: 12,100
Average sentence length: 10.3
Length: 1:08:45
Unique words · 1,320 once: 2,603
Syllables per minute: 290
Script: Traditional 繁
Sentences: 1,887
Difficulty Beyond ranked vocabularydifficulty Many of this content's words are outside our ranked vocabulary list — specialised terms or name-like words — so no level reaches 95% word coverage. How difficulty works: Beyond ranked vocabulary

Many of this content's words are outside our ranked vocabulary list — specialised terms or name-like words — so no level reaches 95% word coverage.

TAGSNative everydayScience

Open on YouTube SOURCEYouTube

Vocab coverage

The Level you need to know each share of this video’s words. The dark 95% step is its difficulty.

Lv 8

Lv 39

Lv 118

Beyond

TOCFL coverage

Which TOCFL (TBCL) level each of this video’s words comes from.

TOCFL 1 35%
TOCFL 2 7%
TOCFL 3 6%
TOCFL 4 13%
TOCFL 5 12%
TOCFL 6 7%
TOCFL 7 2%
Not on TOCFL 18%

Cumulative: TOCFL 1–4 covers 60% of the words, TOCFL 1–6 covers 80%, TOCFL 1–7 covers 82%.

Words to learn first

Pick a level to see the words a learner there needs to understand 95% of this video’s words.

Starting from zero (Beginner), learn 1,969 words to reach 95% of this video’s words.

The 20 most-used of these 1,969 words.

Word	Pinyin	Meaning (CC-CEDICT)	In video	Level
的	de	of; ~'s (possessive particle); (used after an attribute when it modifies a noun); (used at the end of a declarative sentence for emphasis); (used after a noun, verb or adjective to form a nominal expression, as in 皮革的[pi2 ge2 de5] "one made of leather" or 跑堂兒的\|跑堂儿的[pao3 tang2 r5 de5] "a waiter (literally, one who runs back and forth in a restaurant)" or 新的[xin1 de5] "new one"); also pr. [di4] or [di5] in poetry and songs; really and truly; a taxi; a cab (abbr. for 的士[di1 shi4]); (bound form) bull's-eye; target	843	Lv 1
在	zài	to exist; to be alive; (of sb or sth) to be (located) at; (used before a verb to indicate an action in progress)	198	Lv 1
是	shì	to be (followed by substantives only); correct; right; true; (respectful acknowledgement of a command) very well; (adverb for emphatic assertion); variant of 是[shi4]	165	Lv 1
太空	tài kōng	outer space	154	Lv 26
了	le	(completed action marker); (modal particle indicating change of state, situation now); (modal particle intensifying preceding clause); to finish; (used with 得[de2] or 不[bu4] after a verb to express (im)possibility, as in 忘不了[wang4 bu5 liao3] "cannot forget"); (literary) (usually followed by a negative such as 無\|无[wu2] or 不[bu4]) completely (not); entirely (not); (not) in the least; (of eyes) bright; clear-sighted; to understand clearly; to understand clearly (variant of 瞭\|了[liao3]); unofficial variant of 瞭[liao4]	149	Lv 1
衛星	wèi xīng	satellite; moon; CL:顆\|颗[ke1]	105	Lv 29
會	huì	can; to have the skill; to know how to; to be likely to; to be sure to; to meet; to get together; meeting; gathering; (suffix) union; group; association; (bound form) a moment (Taiwan pr. [hui3]); (bound form) to reckon accounts	99	Lv 1
上	shàng	used in 上聲\|上声[shang3 sheng1]; first (of multiple parts); to climb; to get onto; to go up; to attend (class or university); (directional complement) up; (noun suffix) on; above; (bound form) up; upper; above; previous	92	Lv 1
也	yě	also; too; as well; (not ...) either; (used after a verbal or nominal expression X to indicate that X is an extreme or unexpected case) even (X); (literary) particle having functions similar to 啊[a5]; surname Ye	85	Lv 1
不	bù	no; not so; (bound form) not; un-	83	Lv 1
就	jiù	(after a suppositional clause) in that case; then; (after a clause of action) as soon as; immediately after; (same as 就是[jiu4 shi4]) merely; nothing else but; simply; just; precisely; exactly; only; as little as; as much as; as many as; to approach; to move towards; to undertake; to engage in; (often followed by 著\|着[zhe5]) taking advantage of; (of food) to go with; with regard to; concerning; (pattern: 就[jiu4] ... 也[ye3] ...) even if ... still ...; (pattern: 不[bu4] ... 就[jiu4] ...) if not ... then must be ...	82	Lv 1
我們	wǒ men	we; us; ourselves; our	80	Lv 1
有	yǒu	to have; there is; (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)	79	Lv 1
到	dào	to reach; to arrive; to leave for; to go to; to (a place); until (a time); up to (a point); (verb complement indicating arriving at a place or reaching a point); considerate; thoughtful; thorough	77	Lv 1
這	zhè	(pronoun) this; these; (coll.) this; (bound form) this; the (followed by a noun); (bound form) this; these (followed by a classifier) (in this sense, commonly pr. [zhei4], esp. in Beijing)	77	Lv 1
要	yào	to want; to need; to ask for; will; shall; about to; need to; should; if (same as 要是[yao4 shi5]); (bound form) to demand; to coerce; (bound form) important	74	Lv 1
一	yī	one; single; a (article); as soon as; entire; whole; all; throughout; "one" radical in Chinese characters (Kangxi radical 1); also pr. [yao1] for greater clarity when spelling out numbers digit by digit	68	Lv 1
垃圾	lā jī	trash; refuse; garbage; (coll.) of poor quality; Taiwan pr. [le4 se4]	60	Lv 21
都	dōu	all; both; entirely; (used for emphasis) even; already; (not) at all; capital city; metropolis; surname Du	60	Lv 1
個	gè	used in 自個兒\|自个儿[zi4 ge3 r5]; (classifier used before a noun that has no specific classifier); (bound form) individual; variant of 個\|个[ge4]	57	Lv 1

Is this video right for my Chinese?

A 69-minute video from PanSci with 67 minutes of speech at 290 syllables per minute. It's 12,100 words long, using 2,603 different words. Difficulty: Beyond ranked vocabulary — many of its words are outside our ranked vocabulary list, so no level reaches 95% word coverage. Words to learn first include 的, 在, 是.