Allylic
烯丙基的
🗣️ 情景例句
Quality time.
高品质时光。
Truth may be blamed,but shall never be shamed.
真理可能会被责难，但绝不会受羞辱。
I would like to suggest that we take a coffee break.
我建议我们休息一下喝杯咖啡。