Backs
n. 后背, 脊背；后卫（back的复数形式）
🗣️ 情景例句
How are you doing, Richard?
现在怎么样， Richard？
I only wear a tie on special occasions.
我只有在特殊场合才带。
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。