正确的做法会是在伤口上施加直接压力。

The right thing would be to apply direct pressure to the wound.

《柯林斯英汉双解大词典》

这个玻璃杯放在大罐口上恰好当个盖子。

The glass fits on top of the jug to form a lid.

《牛津词典》

把灯泡拧到灯口上就行。

The bulb should just screw into the socket.

《牛津词典》

And it's the windows in the firmament that are opened--those waters are allowed to rush in and dissolve that air bubble.

而在天空上有个口,水可以从中涌入，溶解这些气泡。

耶鲁公开课 - 旧约导论课程节选