Instroke
排气行程, 压缩行程, 内向冲程
🗣️ 情景例句
I'll believe it when I see it.
我觉得还是眼见为实。
Please count the chairs in that room.
请在那个房间里数一下椅子。
I think it's about five o'clock.
我想大约快五点了。