Phugoid oscillation
[化] 起伏振荡
🧩 词语组成解析
长週期振动
n. 振动, 动摇, 变动, 彷徨, 电波\\n[医] 振动, 摆动
🗣️ 情景例句
But I have promises to keep,
但是我有约要赴
When are visiting hours over?
探病的时间到几点为止呢？
How do they compare to last year's?
与去年的相比怎么样。