Isoheptenoic acid
[化] 异庚烯酸; 3-异丁基丙烯酸
🧩 词语组成解析
🗣️ 情景例句
That's beside the question.
那与我们讲的事情无关。
Did you go to the concert yesterday?
你昨天去听音乐会了吗？
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。