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
-oholic
-olatry
actuator arm
apopen
Bankers' Automated Clearing System
bottom cable
casing miller
cleansest
cliquetis
compound joint (or composite joint)
compressor speed
Crab Orchard National Wildlife Refuge
cyclomunine
dakir
deep tooth gear
defarm
desaulniers
desolater
dim sim
distributed computer architecture
dizziness due to yang deficiency
drying cupboard
fallal
financial period
forasmuch as
fresh semen characteristics
frugiperdas
get-away-from-it-all
gift token
gridding method
have a shot at it
heimbach
histology of wood
imperfect packing
ingled
Intrapyramidal
iron copper catalyst
jobstears seed
kalavansa
Kauai Island
Kopsia
Kyocristine
left-hand twine
Light Interrupted
lighting aperture
limiting dimension
lipscomb
marketing-oriented company
masonic
megaphyll
Migyaung
mining tunnel
missing release
model driven
non-return policy recovery action
nonmatched data
nordhavn
nutrient wort
officine
onboard memory
one way shear
oxy-carbonitride
phlegma
piciform
pink-and-white everlastings
pirate radio station
polyoxyethylene sorbitan carboxylic ester
prediagnoses
processor console clock
puniness
pygophilia
ramosissima
ratio geometric concentration
ratio of net sales to receivables
rescheduling loans
revenue raising
rthom
sages
Schoonoord
scuttles
sector arm
seroprotective
Shirane-san
Sinojackia sarcocarpa
start acknowledge
stelios
stereum ochraceoflavum
stuffed animal
support pad
swamp post-oak
synentropy
terminatively
thank u
thrust bearing alignment
tour-goers
tulipa turkestanica regel
two level microprogram control
two-phase titration method
Yagala
zebra roof
Zeiss projector
zone law of Weiss