Valerolactam
戊内酰胺
🗣️ 情景例句
Couldn't you sell us one carton for-?
不能以每盒--卖给我们吗？
This is our official offer for each item, CIF Shanghai.
这是我方对每项产品的CIF上海的正式报价。
There is a fire burning in the fireplace, and the Christmas tree lights are shining brightly.
火在壁炉里熊熊燃烧，圣诞树的彩灯在交相交烁。