Erysothiovine
[化] 刺桐硫碱
🗣️ 情景例句
You must observe these simple rules.
你必须遵守这些简单的规定。
You were here in February,weren't you?
二月份你曾在这里，对不对？
There is a refrigerator in the kitchen.
厨房里有个电冰箱。