科學家首次逆轉阿茲海默症！宇宙之尺出包了！【泛科學NEWS EP40】

YouTube · PanSci · Native everyday · 2026/01/02

2026/01/02

Speech duration: 29min 2s
Unique characters · 392 once: 1,332
Word count: 7,003
Average sentence length: 10.0
Length: 15:56
Unique words · 1,211 once: 2,085
Syllables per minute: 372
Script: Traditional 繁
Sentences: 1,078
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

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Vocab coverage

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

Lv 5

Lv 36

Lv 157

Beyond

TOCFL coverage

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

TOCFL 1 39%
TOCFL 2 8%
TOCFL 3 5%
TOCFL 4 10%
TOCFL 5 9%
TOCFL 6 5%
TOCFL 7 1%
Not on TOCFL 21%

Cumulative: TOCFL 1–4 covers 64% of the words, TOCFL 1–6 covers 78%, TOCFL 1–7 covers 79%.

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 1,695 words to reach 95% of this video’s words.

The 20 most-used of these 1,695 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	461	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]	130	Lv 1
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]	122	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)	96	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)	80	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	75	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 ...	68	Lv 1
不	bù	no; not so; (bound form) not; un-	67	Lv 1
有	yǒu	to have; there is; (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)	60	Lv 1
但	dàn	but; yet; however; still; merely; only; just	44	Lv 1
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	43	Lv 1
它	tā	it; it (pronoun for an animal)	41	Lv 1
把	bǎ	to hold; to grasp; to hold a baby in position to help it urinate or defecate; handlebar; classifier: handful, bundle, bunch; classifier for things with handles; (used to put the object before the verb: 把[ba3] + {noun} + {verb}); handle	41	Lv 1
像	xiàng	to resemble; to be like; to look as if; such as; appearance; image; portrait; image under a mapping (math.)	40	Lv 2
跟	gēn	heel; to follow closely; to go with; (of a woman) to marry sb; with; compared with; to; towards; and (joining two nouns)	39	Lv 2
我們	wǒ men	we; us; ourselves; our	38	Lv 1
他們	tā men	they; them	37	Lv 1
你	nǐ	you (informal, as opposed to courteous 您[nin2]); you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)	37	Lv 1
科學家	kē xué jiā	scientist; CL:個\|个[ge4]	36	Lv 30
人	rén	person; people; CL:個\|个[ge4],位[wei4]	35	Lv 1

Is this video right for my Chinese?

A 16-minute video from PanSci with 29 minutes of speech at 372 syllables per minute. It's 7,003 words long, using 2,085 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, 是, 了.