几乎无效;无足轻重;劳而无功;落得一场空

学英语单词
acetylcephalotaxine
adjustable handle
air end
Al Kumayt
al madafi plat.
automata causality
Binet's test
Bosau
buddleo-glucoside
chewer
cobalt protein catalytic wave
command retrieval system
computer addresses
cross-section ratio
crumbers
current rate
Cytaem
day of year
detection of water level
dichlorobutanes
differential control
directroy shared
Dunseith
dynamic track following
edge-coated card
electro-magnetic compatibility
europiumsesquioxide
exhaust bypass valve
exhaust window
floor drain collector
fsip(final shut-in pressure)
gas evolution
Glenn T. Seaborg
groove velocity
gross error detection
haematopus ostralegus
hardworked
heavenly blue
helical-gear
hendel
high potential
initial d
isolog
life-sense
line-endings
live-action
Mamunga
maxillate
meatatarian
mercury amalgam test
monory
Montferrier
motor mount
Murphy-Forgue's drop apparatus
nearcrisis
Nehelamite
nodi lymphatici bronchiales
nontenant
nutritional dropsy
Ochrolechia
One Nation Party
open switch
paradoxalist
Paraixeris denticulata
phrynolysine
pink powder
plasma arc welding with adjustable polarity parameters
play both sides against the middle
precycled
product code numbering
professional judgement
propeller suction
psychology of literary
railway long distance telephone network
redosing
rehearser
relocatable control section
riding habits
savinien
scan display system
self-adaptive control
self-recording flow meter
sequencing by merging
Serle, Mt.
SISP
snells law
spaude
speed check tape
superconductor semiconductor boundaries
symmetric barycenter
Synchondroses craniales
system of distinct representation
Trecate
Tsagan-Aman
ultrashort light pulse
usnea roseola
ventilatings
viroids
wide heading
work to
zero-field emission current