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
Let's eat!
吃吧！
Business makes a man as well as tries him.
事业既考验人，也造就人。
The pirates would often bury gold in the cave and then fail to collect it.
海盗们过去常把金子埋藏在那个洞里，可后来却没能取走。