Dinaphthalene
联萘, 联二萘
🗣️ 情景例句
Besides, reasonable quantities of marketing literature are supplied free of charge.
此外，我们还免费提供一定数量的营销资料。
I took charge of the group.
我管理过那批人。
Glancing at it briefly, he told me to look again.
他迅速地扫视了一眼，让我再看一遍。