Ertron
[医] 厄特朗, 维生素D2(商品名)
🗣️ 情景例句
I would like to live somewhere near the university, or at least on a bus line.
我想住在大学附近，或者至少有公共汽车直达。
Fortune is fickle.
天有不测风云，人有旦夕祸福。
Is this box big? No, it's small.
不，是小的。