Methyl-acetoacetic acid
[化] 甲基乙酰乙酸
🧩 词语组成解析
n. 甲基\\n[化] 甲基
🗣️ 情景例句
Seven o'clock, I'll pick you up at your office.
晚7点，我去办公室接你。
He's on the phone.
他在打电话。
Was the noise a cause of the illness, or were the complaints about noise merely a symptom?
是噪音引起了（精神）病呢，还是（精神）病的症状之一是对噪音的抱怨？