Tintinnid
砂壳纤毛虫, 铃虫
🗣️ 情景例句
He's your best man.
他是男傧相呀。
Run (or Hold) with the hare and hunt (or run) with the hounds.
两面讨好。
If you learn even a little English, you will find it usedful after you leave school.
假如你哪怕只是学一点英语，毕业后，也会发现它是有用的。