船闸 chuánzhá lock Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 这艘货轮正在通过三峡大坝的五级船闸。 zhè sōu huòlún zhèngzài tōngguò Sānxiá dàbà de wǔ jí chuán zhá. The freighter is passing through the five-stage ship lock of the Three Gorges Dam. Source: Dong Chinese Dictionary