viaduct
[名词]
高架桥
Ex:
Engineers
designed
the
viaduct
to
withstand
the
region
's
seismic
activity
while
supporting
heavy
freight trains
.
工程师们设计了高架桥，以承受该地区的地震活动，同时支撑重型货运列车。
groin
[名词]
a structure of stone, concrete, or timber extending from a shore into the water to prevent erosion and retain sand
Ex:
Waves
crashed
against
the
groin
,
slowing
coastal
erosion
.