Terebinthone
氧羊毛甾二烯酸
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
It's a dark town.
这是一个黑暗的乡镇。
The letter x stands for an unknown number.
字母x代表未知数。