n. 防火道( firebreak的复数形式 )
n. a narrow field that has been cleared to check the spread of a prairie fire or forest fire

学英语单词
-verse
2-6-difluorophenol
a previous
A-locomotive
Abū 'Urayqit, Ra's
acetaldehyde semicarbazone
Aristolochia
at one's leisure
basifuge
beneficially owned
Benzoylbenzene
Beth
bicomponent composite fibre
bromlite (alstonite)
callable fixture
Chamaeleonidae
Cissus aristata
Cyclocodon lancifolius
deformity of external ear
Dexahist
distance run
dot matrix size
double axial mode operation
double image tacheometry
dust allowance
dysgraphia
E-metre
Earls Colne
egasiology
electropneumatic distributing valve
estimated output
family lepismatidaes
femineity
floating-point overflow
focage
folding top
full sea speed
full-mutant
grievousnesses
grindenko
gross section yielding
group specific antigens
if worst comes to worst
imbedded stochastic process
implicatively
jungle asphalitis
kabirs
ladder type decoupling filter
low pressures
Markova, Dame Alicia
mix crystal
mobile structure
non-falsifiable
nonconcomitant
Northern European
NSHA
nutballs
octochlorocamphene
odd knobbing
Orthosiphon stamineus
outfox
palaquiums
perpusillus
personal saving
phrenico-
plasse
prinsloos
prompt decay rate
pseudohemitaxonus taiwanus
quick-acting contact
ramp response time
rectoriate
reimagining
round clam
ruddell
saltarellos
sheathbill
specialization of meaning
stanhopes
stored water
superficial stratum
suppress line numbers
suspended type
swinging table
table weaving
the Channel Tunnel
thermal stability test for bushing
thymonucleic acid
tjujamunite (tyuyamunite)
tofilau
towelling gown
track barrow
triumphress
twisted plate
unlined shoes
V.Cl.
warshall
water rail
wireless-controlled
witchweeds
writing chinese characters
Yenti