不是…就是…;或者…或者…

学英语单词
a ___- free zone
add-without carry gate
alimsntary tube
allergic serum sickness
Allospondias
anchorage grounds
antenna coupling transformator
basin area
best supporting actress
Bieberism
bred-in material
bretteville
bring in a bill
built-in stress
Caracas Stock Exchange
carbonyl haemoglobin
ceramic cap
chemical fertilizer
chindonya
cremnitz white
criss-cross
current instruction
cylindrical electrode
DCV (direct current voltage)
dickster
diffusion technology
dorsal median fissure
dual-band phone
dual-cable broadband LAN
emprize
Epidermoptes
espeseth
Eubacteriales
european chestnuts
file out
function of average
ghost protocol
gigabit point of presence
glutamic acids
gynandrium
hawklings
herring-bone planking
heterophase structure
high-risk personnel
hoped-for
host bus
hydroquinone carboxylic acid
inconsiderableness
intra-zone traffic
invariant generator
iodine-131 albumin macroaggregate
legitimate rights
low voltage reflex klystron
mesovarium
metallized mica capacitor
metanauplius
michalek
modern liquid chromatography
Mons.
nonhypersensitive
objective testing
operations income
over commutation
part-ownerships
parts-handling container
Paulownia imperialis Sieb. et Zucc.
perpetuant
personalness
planed lumber
plank spankers
pults
purse-ring
real-time dynamic projection display
repair weld
rise level
roesti
s-attribute grammar
safe clearance working
selling or buying agent
session layer
shock-like
slot wedge
Sombreffe
sounding-line
stabilized shunt
standard fading hour
star model
starvation therapy
stationary storage battery
stephanoes
sub heading
suborder Odontoceti
talk the kind leg off a donkey
thermalizing
tie rod dust seal
transverse cervical ligament
true to one's colours
Twin Valley
unvoluntary
weep with joy
wondermongering
Yangtze dolphin