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}}

Ferns: The Emergence of Roots and Stems

51,121 views

Professor Dave Explains

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

83%
  • 3:56 / 4:42

Speech Rate:

  • 144 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Special thanks to The Free Dictionary for providing us with the information used in this web page

Video Vocabulary

attaches

/əˈtaCH/

attaches
verb

To be associated or connected with.

diploid

/ˈdipˌloid/

diploid
adjective noun

(of cell or nucleus) containing two complete sets of chromosomes, one from each parent. Organism or cell having the normal amount of DNper cell; ie, two sets of chromosomes or twice the haploid number.

sporangia

/spəˈranjēəm/

sporangia
noun

(in ferns and lower plants) receptacle in which asexual spores are formed.

smaller

/smôl/

smaller
adjective

Less in amount or less large in size.

appeared

/əˈpir/

appeared
verb

To act in a play, movie, or be mentioned in media.

cretaceous

/krəˈtāSHəs/

cretaceous
adjective noun other

of last period of Mesozoic era. Cretaceous period. Abounding in chalk.

germinate

/ˈjərməˌnāt/

germinate
verb

(of seed or spore) begin to grow and put out shoots after period of dormancy.

advanced

/ədˈvanst/

advanced
adjective verb

modern and recently developed. To increase in price or value.

undersides

/ˈəndərˌsīd/

undersides
noun other

bottom or lower side or surface of something. Lower side of anything.

scouring

/ˈskou(ə)r/

scouring
verb

To clean by brushing with a rough object.

previous

/ˈprēvēəs/

previous
adjective

existing or occurring before in time or order.

carboniferous

/ˌkärbəˈnifərəs/

carboniferous
adjective noun

From million to million years ago. Carboniferous period or system of rocks deposited during it.

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