Instroke
排气行程, 压缩行程, 内向冲程
🗣️ 情景例句
I was faced with a new problem.
我面临了新的问题。
When the fox preacheth,then beware your geese.
每逢狐狸讲道，当心鹅儿遭殃。
The tape was so stick that they did not dare to cross it.
胶带极粘，蚂蚁不敢从上面爬过。