人類活太快了?海床下2000公尺的生命法則才是宇宙常態【慢科學EP6】

YouTube · PanSci · Native everyday · 2026/03/26
2026/03/26
Speech duration
21min 40s
Unique characters · 389 once
986
Word count
3,589
Average sentence length
12.3
Length
26:42
Unique words · 728 once
1,189
Syllables per minute
253
Script
Traditional 繁
Sentences
444
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

Vocab coverage

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

TOCFL coverage

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

  • TOCFL 1 39%
  • TOCFL 2 7%
  • TOCFL 3 5%
  • TOCFL 4 11%
  • TOCFL 5 9%
  • TOCFL 6 7%
  • TOCFL 7 2%
  • Not on TOCFL 19%

Cumulative: TOCFL 1–4 covers 63% of the words, TOCFL 1–6 covers 79%, TOCFL 1–7 covers 81%.

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 1,006 words to reach 95% of this video’s words.

The 20 most-used of these 1,006 words.

WordPinyinMeaning (CC-CEDICT)In videoLevel
的deof; ~'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; target304Lv 1
在zàito exist; to be alive; (of sb or sth) to be (located) at; (used before a verb to indicate an action in progress)88Lv 1
是shìto be (followed by substantives only); correct; right; true; (respectful acknowledgement of a command) very well; (adverb for emphatic assertion); variant of 是[shi4]68Lv 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]63Lv 1
一yīone; 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 digit56Lv 1
我們wǒ menwe; us; ourselves; our50Lv 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)47Lv 1
著zheto make known; to show; to prove; to write; book; outstanding43Lv 1
它tāit; it (pronoun for an animal)39Lv 1
裡lǐlining; interior; inside; internal; also written 裏|里[li3]; Li (surname); li, ancient measure of length, approx. 500 m; neighborhood; ancient administrative unit of 25 families; (Tw) borough, administrative unit between the township 鎮|镇[zhen4] and neighborhood 鄰|邻[lin2] levels; variant of 裡|里[li3]32Lv 1

Is this video right for my Chinese?

A 27-minute video from PanSci with 22 minutes of speech at 253 syllables per minute. It's 3,589 words long, using 1,189 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.