Olefine acid
[化] 烯酸
🧩 词语组成解析
[化] 烯烃; 链烯烃
🗣️ 情景例句
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
Isn't your wife's name Ethel?
尊夫人的名字是不是叫艾雪儿？
She was totally exhausted.
她累垮了。