音标:['lip,frɑg] ;
n. 跳背法;间断勘探;交互跃进
v. 竞相超越;蛙跳般前进(leapfrog的ing形式)

今天我们要学的词是 leapfrog. leapfrog 原指儿童玩的青蛙跳游戏,引申下来就是跳升,越级。 The U.S. government said it was working to harden the border crossing at Tijuana, Mexico, to prepare for the arrival of a migrant

发表于:2018-12-27 / 阅读(33) / 评论(0) 分类 英语单词荟萃
学英语单词
acrostolion
air ion
Allbutt, Sir Thomas Clifford
angle rafter
anunsens
as hard as stone
axoplasmically
barium platinum cyanide
be mad about
bent rod type stirrer
blown her top
blue-brown
brake switch
cabin-boys
charging port
circular dichrograph
clean and sober
cleck rod
competence of the patent division
correlation name
cross and resident assembler
cross sectional surveying
cross shunt push pull circuit
curvettings
cylindrical cast brass
develop with practice
direct control microprogram
E/C
ectostroma cymbidii
electronic musical instrument
eliminating pathogen
emergency air bank
endocardial pressure
Energy efficient motors
exempt gilts
fall-rise
fat drop
Fatou-Lebesgue theorem
function of money
geoinduction
glare ice
goolies
here,there,and everywhere
home-court
honest
illustrated parts catalogue
inaequivalvular
inversely proportional relationship
isogony
JPDA
lakritz
Lowes, John Livingston
Maiana Atoll
major product
marren
matthei
maximum reel diameter
message-begining character
natural splitting
neutron wall
nonsupine
nonsurface
normal message handling
open mill
optical frequency division multi plexing
other-worldness
parentages
pestis
Petawaga, L.
Philadelphus tomentosus
physeterids
pot dish
principal equation of gravimetric geodesy
prompt for summary info
Quercus engleriana
rhomboganoids
Salmonella hartford
slave over
Spectrobid
splitting parameter
spoilage random fluctuation
sporidesmins
Stangeria
steam boiler plant
stick-in
stoul
subcatalog and file level
t'ien ming yu t? chih wu
tail-area
tariff list
thalassophile element
TL-CFU
tornariae
toxocampid
trigonal dipyramidal
turn of expressions
uncute
VDEM.
Voynitsa
war-bird silo
windley
Wren, Sir Christopher