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}}

Recommender Systems

132,350 views

CS50

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

99%
  • 13:41 / 13:47

Speech Rate:

  • 168 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

increased
verb

To make or become larger in size or amount.

between

/bəˈtwēn/

adverb preposition

in space separating things. In the space that separates two objects.

products

/ˈprädəkt/

noun other

manufactured article or substance. Items that can be bought.

substantial

/səbˈstan(t)SHəl/

adjective

Being large in degree, quantity, or size.

suggest

/sə(ɡ)ˈjest/

verb

To mention something that could be done; propose.

offered

/ˈôfər/

verb

To give or say something as an act of worship.

something

/ˈsəmˌTHiNG/

adverb pronoun

used for emphasis with following adjective functioning as adverb. thing that is unspecified or unknown.

welcome - welcome

/ˈwelkəm/

adjective exclamation noun verb

gladly received. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. greet someone arriving in polite or friendly way.

recommendation

/ˌrekəmənˈdāSH(ə)n/

noun

Act of suggesting something as a good choice.

facebook

/ˈfāsbo͝ok/

intransitive verb verb

Spend time using the social media application Facebook.. use Facebook.

pandora

/panˈdôrə/

noun proper noun

A burrowing bivalve mollusk with a fragile shell, the unequal valves of which form a “box” with a lid.. The first mortal woman. In one story she was created by Zeus and sent to earth with a jar or box of evils in revenge for Prometheus' having brought the gift of fire back to the world. Pandora let out all the evils from the jar to infect the earth; hope alone remained to assuage the lot of humankind..

imagine

/iˈmajən/

verb

To think creatively about; form mental picture of.

improve

/imˈpro͞ov/

verb

make or become better.

different

/ˈdif(ə)rənt/

adjective

Not of the same kind; unlike other things.

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