Phugoid
长週期振动
🗣️ 情景例句
Don't drink too much tonight, I don't want to see you get drunk.
晚上别喝太多酒，我不想看到你喝醉。
You're sure of passing the exam if you work hard.
只要用功，主汪定能考及格。
Alf did this for over two years and his fellow dustmen kept his secret Alf's wife has never discovered that she married a dustman and she never will, for Alf has just found another job.
两年多以来，艾尔弗一直这样，他的同事也为他保守秘密。 艾尔弗的妻子一直不知道她嫁给了一个清洁工，而且她永远也不会知道了，因为艾尔弗已找到薪职，