淹没: submerge; flood; inundate; drown; submergence; sinking; drowned; submersion 短语和例子被淹没的地区 inundated area; 洪水淹没了整个地区。 the flood inundated the whole district. 雨水淹没了庄稼。 heavy rainfalls flooded
下沉: 1.(沉没) sink; subside; submerge 短语和例子这两条船同时下沉入海。 the two boats sank together into the sea.2.(陷下去) subside; sink; cave in 短语和例子地基下沉。 the foundations have subsided
