Aats
(aat 的复数) abbr. alpha-l antitrypsin α-1抗胰蛋白酶
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
He is a good friend that speaks well of us behind our backs.
背后说人好话的够朋友。
Columbus discovered America in l492.
哥伦布于1492年发现了美洲。