Alder reaction
[化] 艾勒德反应(即双烯合成)
🧩 词语组成解析
alder
['ɔ:ldə]
n. 桤木;
🗣️ 情景例句
Well, that's what I do.
是啊 ，我正是这么做的。
Joy often comes after sorrow, like morning after night.
暮去必将朝至，苦尽常会甜来。
His father told everybody that Eric had been killed in action.
他的父亲告诉大家，埃里克在战争中被打死了。