Diadduct
二[基团]加成物, 二元加成物
🗣️ 情景例句
Good afternoon, Mrs. Green. I'd like you to meet my girlfriend, Sally.
格林太太，下午好。我想让你认识一下我的女朋友萨里。
When the belly is full the mind is among the maids.
逸则思淫。饱则思淫欲？
the total absence of fishing boats around the oil rigs.
钻井平台周围根本没有捕鱼船只。