Ceratoconus
[医] 圆锥形角膜
🗣️ 情景例句
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答应提前一个月交货，我们就同意开信用证。
When you're down and blue, go to a comedy.
你灰心丧气的时候，去看看喜剧。
When honey bees have discovered a feeding place, they fly directly to it from the hive.
当蜜蜂发现一个喂食点时，它们从蜂箱直接飞往那里。