Instroke
排气行程, 压缩行程, 内向冲程
🗣️ 情景例句
Dad ... Robbie. When did you come?
爸爸……Robbie。你们什么时候来的？
Great designs require great consideration.
宏伟的计划须要慎重考虑。
How can I get there? I don't know the way.
去那儿怎么走？我不认得路。