Methylmalonate
[化] 丙二酸二甲酯
🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
Good medicine tastes bitter.
良药苦口。
What?Speak up. Penny.I'm afraid I can't hear you.
什么？彭妮，大声一点。我可听不见你念的。