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
But to tell the truth,
但是老实说，
I am honored by the invitation.
承蒙招待，深感荣幸。
I can't understand why he is being so selfish. He isn't usually like that.
我不明白他此刻怎么这么自私。他平时不这样。