Chalkogenide
硫属化物
🗣️ 情景例句
There are several tours of the Grand Canyon.
到大峡谷有好几个旅游团。
I don't have a phonograph,either.
我也没有留声机。
planes, or land vehicles----for it is something in between a boat and an aircraft.
飞机，或是陆上交通工具，因为它是介于船和飞机之间。