音标:[trɔ:fs] ;
n. 低谷( trough的复数形式 ); 波谷; (喂动物的)食槽; 檐槽
n. a narrow depression (as in the earth or between ocean waves or in the ocean bed)
n. a channel along the eaves or on the roof; collects and carries away rainwater
n. a concave shape with an open top

学英语单词
AAUW
acupuncturation
additional application
align reamer
alternator
available composition
Azagra
bar of bladder
bear up under affliction
Bigabo
blackham
blanket fidelity bond
burger number
cant puchase
chain tackle block
charter a vessel
classical canonical matrix
classical topology
compiler error detection and diagnostics
complete action
conditional observation
crime ridden
Cyanacetylhydrazide
Desmos
downhand electrode
driving of parallel axes
ecoculturally
embankment failure
Emergency First Aid Treatment Guide
emergency shut-down coefficient
encomiastical
fasciarius
fatehpur
fijenoord
floral odo(u)r
Great Dionysia
handling stolen goods
hemoconcentration
heteroalleles
high-altitude magnetic field
horszowski
hunger after
hypotrichotic
indecomposable channel
juvenile delinquency / crime
kiewra
lay the first stone
length-to-diameter(ratio)
lingering variability
long jenny
long-shoreman
mannerance
mass meristem
megaroentgen-equivalent-man
metaplot
mythologie
nonglaucoma
nonlinear compensation
nonrelapse
Nyaugdo
ochotensine
ombrophilous plants
omnisexuality
otariidaes
parallel activity
permanent personnel
pleuroperitoneal duct
Podocarpus forrestii
poggio
political activist
pons cerebelli
powdered crystal method
President George W. Bush
profiloscope
proned
reinforced asbestos-cement middle corrugated tile
remote-manual operation
Republic of Kosovo
rothewell
RS-422-A
rubiscolins
saleableness
sbslsososds-s
segmented condensation method
seismic wave
servoconnection
Shoxin
silver greys
slip at anchorage
smooth interference
snow-storm
spring barometer
stake out a claim
stitch shaping
stone field
teratoma
three blue beans in a blue bladder
towing data
tubiformis
unpraise
vernier engine
welcome to our company