Dodecynoic acid
[化] 十二碳炔酸
🧩 词语组成解析
🗣️ 情景例句
and Mom has all these committees she's on.
妈妈又有那么多的小组会议要开。
Our packing charge includes $1 for the drum, which sum will be credited on return.
包装费中有1美元是包装桶的费用，此费用在桶还给我们时可退回。
The firm closed down because there wasn't enough demand for its product.
工厂关门了，因为产品供过于求。