Strongyloidea
圆线虫总科
🗣️ 情景例句
Any stocks or bonds?
有股票或债券吗？
Nothing must be done hastily but killing of fleas.
除非消灭跳蚤，做事不必急躁。
Fish love swimming round the rocks and through holes in them.
鱼喜欢绕着岩石和穿石洞游水。