Butyraldehyde
n. [化]丁醛(一种无色易燃液体,常用于制作合成树脂)
🗣️ 情景例句
It's inevitable that he'll find out about it.
他无可避免地会发觉此事。
Is anybody home?
有人在家吗？
Oh dear! You're right.It's closed.
哎吆！你说得对，是关着的。