Glutaconic acid
[化] 戊烯二酸
🧩 词语组成解析
🗣️ 情景例句
In town. At the hardware store.
在镇上。在五金行里。
When an opportunity is neglected,it never comes back to you.
机不可失，时不再来；机会一过，永不再来。
Good.we can't extend the deadline.
那好，我们可不能延期的。