我們對大海的理解完全錯了!一場核試爆,改變了我們的認知【慢科學EP8】

YouTube · PanSci · Native everyday · 2026/05/28
2026/05/28
Speech duration
28min 20s
Unique characters · 433 once
1,235
Word count
4,659
Average sentence length
11.5
Length
31:19
Unique words · 1,024 once
1,650
Syllables per minute
261
Script
Traditional 繁
Sentences
644
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 30%
  • TOCFL 2 7%
  • TOCFL 3 5%
  • TOCFL 4 14%
  • TOCFL 5 12%
  • TOCFL 6 9%
  • TOCFL 7 3%
  • Not on TOCFL 20%

Cumulative: TOCFL 1–4 covers 56% of the words, TOCFL 1–6 covers 77%, TOCFL 1–7 covers 80%.

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 1,401 words to reach 95% of this video’s words.

The 20 most-used of these 1,401 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; target416Lv 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)100Lv 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]77Lv 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]63Lv 1
與yǔand; to give; together with; to take part in; variant of 歟|欤[yu2]62Lv 5
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 digit60Lv 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)53Lv 1
她tāshe48Lv 1
中zhōngwithin; among; in; middle; center; while (doing sth); during; (dialect) OK; all right; to hit (a target); to be struck by (a bullet, illness etc); to win (a prize or lottery); (bound form) China; Chinese; surname Zhong46Lv 2
橋qiáobridge; CL:座[zuo4]38Lv 23

Is this video right for my Chinese?

A 31-minute video from PanSci with 28 minutes of speech at 261 syllables per minute. It's 4,659 words long, using 1,650 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, 了.