1 sentence for 闸 (zhá — sluice)

1. 干旱季节，管理人员会准时开启水库的闸。

   gān​hàn jì​jié, guǎn​lǐ rén​yuán huì zhǔn​shí kāi​qǐ shuǐ​kù de zhá.

   During the dry season, the managers open the reservoir's sluice gates on schedule.

   Source: Dong Chinese Dictionary