Pentahydroxy dibasic acid
[化] 五羟二价酸; 五羟二碱价酸
🧩 词语组成解析
a. 二元的\\n[化] 二元的; 二价的; 二碱价的; 二取代的
🗣️ 情景例句
A gift from me.
这是我的一件礼物。
Necessity (or Need) has (or knows) no law.
需要面前无法律。
There are even stories of half-trained elephant calves who have refused to feed and pined to death when by some unavoidable circumstance they have been deprived of their own trainer.
训练了一半的小象，由于不可避免的情况与他们的主人分离后，竟拒绝吃食，消瘦至死。