Methasam
[商]二甲基二硫化氨基甲酸锌(橡胶硫化促进剂)
🗣️ 情景例句
Do you know that I mean?
知道我的意思吗？
How many bags are you going to get?
你要取几袋？
Mr.Hart has trained his daughter for years.
哈特先生训练她的女儿已经多年了，