Cobaltomenite
硒钴矿
🗣️ 情景例句
The newspapers don't come out till about ten o'clock.
报纸要差不多十点钟才出来。
Strong packing will protect the goods from any possible damage during transit.
坚固的包装可以防止货物在运输途中受到任何损失。
and the profits from the exhibition were used to build museums and colleges.
博览会的赢利用来建造博物馆和高等学校。