Reciprocating action
[机] 往复动作
🧩 词语组成解析
[医] 交互的, 往复的
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
🗣️ 情景例句
I'll be married to Susan.
我就要和Susan结婚了。
The doctor said it's just a litter heat rash, There's nothing to worry about.
医生说只是出疹子，不需要担心。
Thank you, everyone. Please come in, said Ann.
“感谢你们大家。请进来”安说。