最乾淨的核能來了？

YouTube · PanSci · Native everyday · 2026/04/09

2026/04/09

Speech duration: 12min 11s
Unique characters · 267 once: 676
Word count: 2,386
Average sentence length: 9.6
Length: 13:59
Unique words · 452 once: 783
Syllables per minute: 296
Script: Traditional 繁
Sentences: 377
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 7

Lv 53

Beyond

TOCFL coverage

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

TOCFL 1 37%
TOCFL 2 6%
TOCFL 3 6%
TOCFL 4 12%
TOCFL 5 9%
TOCFL 6 6%
TOCFL 7 1%
Not on TOCFL 22%

Cumulative: TOCFL 1–4 covers 61% of the words, TOCFL 1–6 covers 77%, TOCFL 1–7 covers 78%.

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 660 words to reach 95% of this video’s words.

The 20 most-used of these 660 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	166	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]	48	Lv 1
融合	róng hé	a mixture; an amalgam; fusion; welding together; to be in harmony with (nature); to harmonize with; to fit in	43	Lv 108
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)	41	Lv 1
核	hé	pit; stone; nucleus; nuclear; to examine; to check; to verify; to investigate; variant of 核[he2]	29	Lv 69
氘	dāo	deuterium 2H; heavy hydrogen, isotope of hydrogen having 1 neutron in its nucleus, so atomic weight 2	27	Unranked
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)	26	Lv 1
不	bù	no; not so; (bound form) not; un-	25	Lv 1
我們	wǒ men	we; us; ourselves; our	25	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]	24	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	23	Lv 1
中子	zhōng zi	neutron	22	Unranked
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 ...	21	Lv 1
質子	zhì zi	proton (positively charged nuclear particle); a prince sent to be held as a hostage in a neighbouring state in ancient China	21	Unranked
但	dàn	but; yet; however; still; merely; only; just	19	Lv 1
能量	néng liàng	energy; capabilities	19	Lv 23
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	18	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	18	Lv 1
氦	hài	helium (chemistry)	16	Unranked
氫	qīng	hydrogen (chemistry)	16	Lv 104

Is this video right for my Chinese?

A 14-minute video from PanSci with 12 minutes of speech at 296 syllables per minute. It's 2,386 words long, using 783 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, 融合.