Homoannular diene
[化] 同环二烯
🧩 词语组成解析
diene
[['daii:n]]
[化] 双烯; 二烯烃
🗣️ 情景例句
Skip, hop, front.
跳 蹦 向前
We usually deal on a 20% trade discount basis with an additional quantity discount for orders over 1000 units.
我们通常给予20%的商业折扣，外加订货1000件以上的数量折扣。
Have you cleared your luggage with customs?
你的行李通关了吗？