Piston action
[电] 活塞作用
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
🗣️ 情景例句
Why is he blowing his horn like that?
为什么他这样子按喇叭？
Feel free to bring your brother if he would like to come.
如果喜欢的话，你不妨带令兄一起来。
There were six million visitors in all,
参观的人数总共是600万。