Xeronic acid
[化] 干酮酸; 二乙基丁烯二酸
🧩 词语组成解析
🗣️ 情景例句
instead of redesigning the entire system.
而不必重新设计整套系统。
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
Just relax.
放松一下。