Tetrabasic acid
[化] 四元酸
🧩 词语组成解析
a. [化]四代的, 四元的, 四碱的
🗣️ 情景例句
Yes, it is.
是的，没错。
Eagles catch no flies.
大人物不计较小事情。
The operation, which lasted for over four hours, proved to be very difficult because of the hard resin which covered the skin.
手术持续了4个多小时，非常难做，因为皮肤上覆盖着一层硬硬的树脂。