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}}

Radioactive Half-life Experiment - Part 1 - Equipment Overview

90,472 views

Jefferson Lab

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

89%
  • 3:43 / 4:08

Speech Rate:

  • 186 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

perfect
adjective noun verb

So good it cannot be improved. perfect tense. To do something so well, it cannot be done better.

through

/THro͞o/

adjective adverb preposition

From one end or side of something to the other. From the beginning of something until the end. Over, in, across an entire thing or place.

reasonable

/ˈrēz(ə)nəb(ə)l/

adjective

Being somewhat good, but not great.

substance

/ˈsəbstəns/

noun

Having material form; existing.

contains

/kənˈtān/

verb

To hold something inside something else.

radioactive

/ˌrādēōˈaktiv/

adjective

emitting or relating to emission of ionizing radiation or particles.

separate
adjective noun verb

Being different from or unrelated to another. individual items of clothing suitable for wearing in different combinations. To live away from your husband or wife.

billions

/ˈbilyən/

noun number

1000 million. thousand million.

released

/rəˈlēs/

verb

To free someone from a responsibility or burden.

usually

/ˈyo͞oZH(o͞o)əlē/

adverb

Normally; regularly.

measure

/ˈmeZHər/

noun verb

Tool used to calculate the size of something. To calculate size, weight or temperature of.

metastable

/ˈmedəstābəl/

adjective

Continuing in its present state of equilibrium unless sufficiently disturbed to pass to a more stable state of equilibrium.

produced
verb

make or manufacture.

undergo

/ˌəndərˈɡō/

verb

experience or be subjected to.

fraction

/ˈfrakSH(ə)n/

noun

Small part of something.

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