Methylmalonic semialdehyde
[化] 甲基丙二酸单醛
🧩 词语组成解析
半醛
🗣️ 情景例句
Yes, of course.
是的， 当然。
Are there reserved seats on the train?
车上有预订座位吗？
After speaking for about half an hour he came to a sad part of the family history.
大约谈了半个小时之后，他谈到了家族史中的一件伤心事。