Heptenoic acid
[化] 庚烯酸
🧩 词语组成解析
🗣️ 情景例句
That's exciting, Harry. What was it?
太令人兴奋了， Harry。是什么样的工作？
And what's that?
还有那是什么？
An enterprise has to incur certain costs and expenses in order to stay in business.
一个企业为了继续经营，不得不支出一定的费用和开销。