Dienophile
二烯亲和物
🔁 扩展释义
【化】 亲双烯体
🗣️ 情景例句
Because the United States is the most important trade partner.
因为美国是我们最重要的贸易伙伴。
How is the weather today?
今天天气如何？气温多少度？
The man who had fixed up the air-line was also questioned.
安装供气管的那位工人也被提问。