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
I'm going back to my office.
我要回办公室了。
Have you got any plans?
你有什么计划吗？
Before she had anchored, the men from the boats had climbed on board and the decks were son covered with colourful rugs from Persia, silks from India, copper coffee pots, and beautiful handmade silverware.
大船还未下锚。小船上的人就纷纷爬上客轮。一会儿工夫，甲板上就摆满了色彩斑斓的波斯地毯。印度丝绸。铜咖啡壶以及手工制作的漂亮的银器。