Methylmalonate
[化] 丙二酸二甲酯
🗣️ 情景例句
He has had various experiences in his life.
他的生活经验丰富。
What did you do the week before last?
上上星期你干了什么？
Suppose every sensor gives perfectly accurate readings of temperature,
再假定每个传感器都极端准确地读出了温度、