Reciprocating motion
[机] 往复运动
🧩 词语组成解析
[医] 交互的, 往复的
motion
['məuʃən]
n. 运动;手势;动机，意向;请求;
vt. 打手势;向某人点头或摇头示意;打手势要求[指示];
vi. 运动;打手势;
🗣️ 情景例句
Keep this information confidential, other companies would kill to get their hands on this.
这些资料可要保密，其他公司千方百计想得到它。
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。
No, I'm not. Good! I can reach them now. Catch!
不，不高。好！现在我够得着了。接住！