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}}

How Does Our Skin Turn Sunlight Into Vitamin D?

212,349 views

Seeker

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

98%
  • 4:11 / 4:16

Speech Rate:

  • 167 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

children

/CHīld/

noun other

young human. More than one child.

everyone

/ˈevrēˌwən/

pronoun

every person.

osteomalacia

/ˌästēōməˈlāSH(ē)ə/

noun other

softening of bones. Abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D.

calcium

/ˈkalsēəm/

noun

A substance important for making bones and teeth.

converts
noun other verb

person who has changed faith or belief. People switching from one belief system to another. To change form, character, or function to another.

cholecalciferol

/ˌkōləˌkalˈsifərôl/

noun

one of D vitamins, sterol essential for deposition of calcium in bones.

protein

/ˈprōˌtēn/

noun

any of class of nitrogenous organic compounds.

binding

/ˈbīndiNG/

adjective noun verb

involving unbreakable obligation. Something used to tie or bind things e.g. books. To be limited by a law, agreement, or contract.

nuclear

/ˈn(y)o͞oklēər/

adjective

Concerning or involving the center of an atom.

softening

/ˈsôfən/

verb

To make more sympathetic or less strict.

promotes

/prəˈmōt/

verb

support or actively encourage.

everywhere

/ˈevrēˌ(h)wer/

adverb noun

Every place. all places or directions.

absorption

/əbˈzôrpSH(ə)n/

noun

process by which one thing absorbs or is absorbed by another.

created

/krēˈāt/

verb

bring into existence.

vitamin

/ˈvīdəmən/

noun

Health-giving substance needed for body function.

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