Hexadienoic acid
[化] 己二烯酸
🧩 词语组成解析
🗣️ 情景例句
There's a lot of good things about suburban living.
郊区生活是有许多优点。
Happy is he that is happy in childhood.
童年时代快乐的人是幸福的。
Many strange new means of transport have been developed in our century,
本世纪已研制出许多新奇的交通工具，