Acetaldol
(=aldol)丁间醇醛, 3-羟基丁醛
🗣️ 情景例句
Five points.
五分。
His ear is wounded, Does it hurt?
他的耳朵受伤了，疼不疼？
Because these items are from different shipments.
因为这几项品目不属同一批货。