Moradiol
[化] 桑二醇
🗣️ 情景例句
I'm afraid the cardboard boxes are not strong enough for transport by sea.
我担心这种纸箱，用于远洋运输，不够结实。
I'm going to take four boxes.
我要拿四盒。
What time will the next train leave?
下一班火车什么时候开？