Pentacarboxylic acid
[化] 五羧酸
🧩 词语组成解析
🗣️ 情景例句
Cloning technology is good news for those patients who need organ transplants.
克隆技术对于那些需要器官移植的病人来说是个福音。
When was the last time he wrote you ?
他给你写最后一次是什么时候？
I heard that you're getting married, Congratulations.
听说你要结婚了，恭喜！