By Levels

Library

EXP: 08888
HITS: {{lyricTraining.hits}}888
STREAKS: {{lyricTraining.streaks}}888
TIME: {{lyricTraining.timeout / 1000}}88
{{word.word}}

{{cue.translated_text}}

{{lyricTraining.hint}}

x{{playblackSpeed.toFixed(2)}}

Loading ..

Not Found

{{annotation.word}} ({{annotation.pos_simplify}})

/{{annotation.phonetic}}/

{{annotation.translation}}

{{annotation.name}}

{{annotation.sub_type}}

{{annotation.definition}}
Back

Games & Quizzes

Training Mode - Typing
Fill the gaps to the Lyric - Best method
Training Mode - Picking
Pick the correct word to fill in the gap
{{game.name}}
{{game.description}} Requires {{game.required_annotions}} vocabulary annotations

Congratulations! You gained {{totalPoint}} XP

You may need to watch a part of the video to unlock quizzes

Don't forget to Sign In to save your points

Repeat Skip ({{game.question_index}}/{{game.questions.length}})
{{part}}
Repeat Skip ({{game.question_index + 1}}/{{game.questions.length}})
{{choice.text}}
{{choice.text}}

Make correct pairs from two columns

{{lyricTraining.finished && lyricTraining.timed_out ? 'Timed Out' : 'Challenge Accomplished'}}

PERFECT HITS {{lyricTraining.stats.PERFECT_HITS}} +{{lyricTraining.stats.PERFECT_HITS * 20}}
HITS {{lyricTraining.stats.HITS}} +{{lyricTraining.stats.HITS * 10}}
LONGEST STREAK {{lyricTraining.stats.LONGEST_STREAKS}} +{{lyricTraining.stats.LONGEST_STREAKS * 10}}
REMAINING TIME {{lyricTraining.timeout / 1000}}s +{{lyricTraining.timeout / 1000}}
TOTAL +{{lyricTraining.exp}}
{{word.word}} - {{dictionary.definition[0].phonetic || ("/" + dictionary.phonetics +"/")}} - {{word.translation}}

We couldn't find definitions for the word you were looking for.
Or maybe the current language is not supported

{{simpleDefinition.pos}}

{{simpleDefinition.def}}

{{word.word}}

Sentences & parts of speech:

  • {{tag.normal}} {{tag.pos_name}}

  • {{c.startTime | duration}}


    {{c.translated_text}}

All {{pos.pos_simplify}}
{{a.word || a.name}}
/{{a.phonetic}}/
{{a.type || a.sub_type}}
{{a.translation}} 		{{a.definition}}

What Keeps Nuclear Weapons from Proliferating: The hardest step in making a nuclear bomb

1,298,980 views

engineerguy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English

Speech Time:

94%
  • 4:23 / 4:38

Speech Rate:

  • 169 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

hardest

/härd/

adjective adverb

solid and firm. with much effort.

conventional

/kənˈven(t)SH(ə)n(ə)l/

adjective

in accordance with what is generally done.

because

/bēˈkəz/

conjunction

for reason that.

remaining

/rəˈmāniNG/

adjective verb

(Those things) not yet done. To be left behind; to continue to exist.

identical

/ˌīˈden(t)ək(ə)l/

adjective

The same in every way.

kilograms

/ˈkiləˌɡram/

noun other

SI unit of mass. 1000g.

kilotons

/ˈkiləˌtən/

noun other

unit of explosive power equivalent to 1,000 tons of TNT. One thousand tons.

explosion

/ikˈsplōZHən/

noun

Violent release of energy (e.g. from a bomb).

difficult

/ˈdifəkəlt/

adjective

Hard; not easy; you need to work hard to do it.

underwent

/ˌəndərˈɡō/

verb

To experience or endure something (bad).

details

/dəˈtāl/

noun other verb

individual fact or item. Small parts of some things; tiny facts. describe fully.

efforts

/ˈefərt/

noun other

vigorous or determined attempt. Amounts of work used trying to do some things.

necessary

/ˈnesəˌserē/

adjective noun

Needed or required; unavoidable. basic requirements of life.

designers

/dəˈzīnər/

noun other

person who plans look or workings of something prior to it being made. People who create plans to make some things.

divided

/diˈvīdəd/

adjective verb

split into parts. To split numbers by another number, e.g. 6 / 2 = 3.

Q
W
E
R
T
Y
U
I
O
P
A
S
D
F
G
H
J
K
L
Z
X
C
V
B
N
M