Pentadiene carboxylic acid
[化] 山梨酸
🧩 词语组成解析
戊二烯
[机] 羧基的
🗣️ 情景例句
The robber struck him on the head.
强盗打他的头。
Nothing is impossible to a willing heart.
心之所愿，无事不成。
Our next obstacle was a shallow pool of water about half a mile across.
下一个障碍是一片约半英里宽的浅水塘。