Alkenoic acid
[化] 链烯酸
🧩 词语组成解析
🗣️ 情景例句
Birds of a feather flock together.
物以类聚。
Nothing is impossible to a willing heart.
心之所愿，无事不成。
They don't get enough air.
（那样）鱼得不到充足的空气。