时间:2018-12-13 作者:英语课 分类:新路径小学英语四年级下册(一起)


英语课

 



[00:03.19]Lesson T 


[00:04.88]The Life Cycle 1 of a Frog 


[00:07.79]Let's talk. 


[00:09.29]Hello! Welcome to "About Animals." 


[00:12.64]Today we're going to talk


[00:14.62]about the life cycle of a frog. 


[00:16.74]Adult frogs lay eggs in spring.


[00:19.99]After about two weeks, tadpoles 2 come out.


[00:22.76]About five weeks old, they have back legs.


[00:27.52]About ten weeks old, they have front legs, too.


[00:31.67]Their tails become short and then they are called froglets.


[00:35.65]The froglets eat small animals such as flies and then become young frogs.


[00:41.53]They live on land for two or three years and become adults.


[00:44.98]Then they go back to water to lay eggs. 


[00:49.57]Magic box 


[00:52.64]adult frog 


[00:54.91]lay eggs 


[00:57.82]froglet 


[00:59.93]froglet 


[01:02.27]back leg 


[01:03.44]front leg 


[01:05.15]week 




1 cycle
n.周期,循环,自行车;vi.循环,轮转,骑自行车;vt.使循环
  • The seasons of the year make a cycle.一年四季构成一个循环。
  • Do you cycle to work everyday?你每天骑自行车上班吗?
2 tadpoles
n.蝌蚪( tadpole的名词复数 )
  • The pond teemed with tadpoles. 池子里有很多蝌蚪。 来自《简明英汉词典》
  • Both fish and tadpoles have gills. 鱼和蝌蚪都有鳃。 来自《现代汉英综合大词典》
学英语单词
a house divided against itself
abstention rule
action art
AGARICIIDAE
aghast
arcotarsium
Arteriae lumbales imae
assumption of control
atrial dissociation
autoelectronic emission
automatic search circuit
basic test
bed place
bent dipole
Bezold's abscess
bike-in
Book of Judith
candle-wood
carbonaceous shale
chain linked to next and prior
chemical inhibitor
CIMC
confusopoly
contact wire
coulomb interaction
coup de poing
custom value
detonation temperature
dollbaby
driftfishes
duckey
electric-transmission
electromagnetic interference
ethical education
facies anterior dentium pr?molarium et molarium
floatation sponge
flowers of sulphur
free radiator
full lock
geosar traffic ratio
get you back
gini's index
gll. tarse?
Google Drive
hashed file
health benefits
Heavenly Father
heightening of dam
hilmantel
hippiness
Hordley
imaginary sample points
internus
items of machine maintenance and repair
Kenville
kingpins
Kingsoft PowerWord
living donor
machine learning
measles-mumps-rubella
mecysteine
neuroplastin
nitro-hydrocinnamic acid
Oleninskiy Rayon
on my side
operational stability
oval fillister-head screw
overwary
oxbridges
paddle bitumen emulsifying machine
pine tar Ointment
posterio-occlusion
pressure palsy
real-time debugging
recessivities
regiones costalis lateralis
retrobranchial crest
root tubercle bacteria
sand feeder
sassanqua saponin
sea-floor basalt
sesame seeds
shock tube
side hammer
simple anhydride
sino-auricular
skeen
supramaxilmal
system time-subdatabase subcomponents
technicists
terfenadines
treing
trim tab spool
upper shed
vapor source
VEOG
vertical zoning of water system
wehner
Wikinewsie
year - end audit
yoldrings