night latch

• n. 夜锁；弹簧锁

英英释义

Noun:

1. doorlock operated by a knob on the inside and a key on the outside

例句

用作名词 (n.)

1. The kind of door-shutting that is done very quietly, with the sharp click of the latch to break the stillness.
   这种关门关起来很轻，只是弹簧锁的卡塔声会打破寂静。