Polybasic ester
[化] 多元酸的酯
🧩 词语组成解析
a. 多元的, 多碱价的\\n[化] 多碱的; 多碱价的; 多元的; 多代的
n. 酯\\n[化] 酯
🗣️ 情景例句
And a cheeseburger, medium rare,
一份起士汉堡，五分熟
She's head over heels in love with him.
她深深地爱上了他。
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。