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
I'll go down to Henry's grocery. He's always open.
我到亨利杂货店去。那里总是开门营业的
Govern your thoughts when alone, and your tongue when in company.
一人独处慎于思，与人相处慎于言。
Macaroni has been grown in this area for over six hundred years.
通心粉在这个地区已经种植了600多年了。