Methylmalonate
[化] 丙二酸二甲酯
🗣️ 情景例句
They'll just make him sad.
那些只会让他悲伤。
A bad workman quarrels with his tools.
拙匠常怨工具差（人笨怨刀钝）。
In this part of the cave, they could hear an insistent booming sound which they found was caused by a small waterspout shooting down into a pool from the roof of the cave.
在这儿，他们可以听见一种连续不断的轰鸣声。后来他们发现这是由山洞顶部的一个小孔里喷出的水柱跌落到水潭中发出的声音。