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
And these are pictures of people working:steelworkers, bankers, police, street vendors,ambulance drivers, doctors….
这是工作中人们的照片：钢架工人、 银行职员、警察、街头小贩、救护车驾驶 医生等等……
Do you plan to do some odd jobs?
你打算打工吗？
The temple which the archaeologists explored was used as a place of worship from the fifteenth century B. C. until Roman times.
考古工作者考察的这座庙宇从公元前15世纪直到罗马时代一直是祭祀祈祷的场所。