Instroke
排气行程, 压缩行程, 内向冲程
🗣️ 情景例句
I would like to buy some stamps, please.
我想买些邮票。
A valiant man's look is more than a coward's sword.
勇士的神色胜过懦夫的刀剑。
Ice cream is popular among children.
冰淇淋深受孩子们的欢迎。