海沟

hǎigōu

(oceanic) trench

* * *

hǎi gōu

n. oceanic trench

* * *

hai3 gou1

marine trench

* * *

海沟

hǎi gōu

tectogene; fosse; (oceanic) trench; submarine trench

* * *

海溝|海沟 [hǎi gōu] ► marine trench