Heptanediol
[化] 庚二醇
🗣️ 情景例句
Nowadays many people go traveling for the holidays.
下面许多人都在假期里去度假。
Obedience is the first duty of a soldier.
服从是军人的第一职责。
The order number wasn't anywhere on any of the boxes.
所有的条子都没打上订货号码啊！