Alternating motion
[机] 交变运动
🧩 词语组成解析
a. 交互的\\n[医] 交替的
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
And you saved it for me, didn't you, Mother?
也留着要给我， 对吗， 妈妈？
He who rides a tiger is afraid to dismount.
骑虎者难下。
Tazieff was able to set up his camp very close to the volcano while it was erupting violently.
当火山正在猛烈地喷发时，塔捷耶夫有办法把帐篷搭在离它非常近的地方。