Phosphocalcite
轻斜磷铜矿
🗣️ 情景例句
I'm sick of his long, empty speeches.
他那冗长而又没有内容的演讲令我厌倦。
Nightingales will not sing in a cage.
夜莺困笼不唱歌。
It was a good suggestion.thanks.
你建议得不错，谢谢。