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}}

The Speed of Sound & How does Sound Travel? A Fundamental Understanding

205,614 views

Branch Education

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

94%
  • 7:54 / 8:20

Speech Rate:

  • 130 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

throughout

/THro͞oˈout/

adverb preposition

in every part of something. in every part of.

thought

/THôt/

noun verb

idea or opinion produced by thinking, or occurring suddenly in mind. To have an idea about something without certainty.

distance

/ˈdistəns/

noun verb

length of space between two points. To make it clear that you are not involved.

clicking

/ˈklikiNG/

adjective verb

making short, sharp sound. To press a computer mouse.

seconds

/ˈsekənd/

number other verb

constituting number two in sequence. Short periods of time you wait for someone. formally support or endorse as necessary preliminary to adoption.

instantly

/ˈinst(ə)ntlē/

adverb

at once.

overhead
adjective adverb noun

Above a person's head or in the sky. above level of head. overhead cost or expense.

everywhere

/ˈevrēˌ(h)wer/

adverb noun

Every place. all places or directions.

possibly

/ˈpäsəblē/

adverb

perhaps.

between

/bəˈtwēn/

adverb preposition

in space separating things. From one person, thing, or place, to another.

surface

/ˈsərfəs/

adjective noun verb

relating to or found on surface of something. Top layer of the ground or of water. To come to the top level of water, mud, etc..

suspend

/səˈspend/

verb

To stop something for a period of time; interrupt.

question

/ˈkwesCH(ə)n/

noun verb

Issue or problems you are dealing with. To have or express concerns or uncertainty.

experiment
noun verb

Test performed to assess new ideas or theories. To try something new that you haven't tried before.

permeate

/ˈpərmēˌāt/

verb

spread throughout.

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