Protrocheata
原气管亚纲
🗣️ 情景例句
Our teacher drills us in English.
我们老师让我们反复操练英语。
Good news goes on crutches.
好事不出门。
It caused devastation by burrowing and by devouring the herbage which might have maintained millions of sheep and cattle.
它们在地下打洞，吃掉本可以饲养数百万头牛羊的牧草，给澳洲大陆造成了毁灭性的破环。