Phugoid motion
[化] 起伏运动
🧩 词语组成解析
长週期振动
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
Please wait for me. I won't be long.
清等等我，就一会儿。
Bitter pills may have wholesome effects.
良药苦口利于病。
She picked it up and gave it back to me.
她把它捡起给了我。