Methylmalonic semialdehyde
[化] 甲基丙二酸单醛
🧩 词语组成解析
半醛
🗣️ 情景例句
Do you want a first class, business class or economy seat?
你想要头等舱、商务舱还是经济舱？
Marriage comes by destiny.
姻缘命中定。
Are there any trees in the picture?
画里面有树吗？