Methasam
[商]二甲基二硫化氨基甲酸锌(橡胶硫化促进剂)
🗣️ 情景例句
Ellen.
Ellen。
If you had gotten up earlier,you would have had time for breakfast.
如果你更早起床，你就有时间吃早餐了。
Really? If you are ill, you must see the doctor.
真的吗？如果是生病了，你得去看医生。