Methaldehyde
四聚乙醛
🗣️ 情景例句
But with only one more year to go, you would be well-advised to finish.
可是只剩下一年了，你要是明智的话就应该学完。
Oh, Mr. Student.
哦，老兄，你是学生吧。
It turned out to be snoring! Men were found to be the worst offenders.
它竟然是鼾声。人类是这方面的罪魁祸首。