Frigidite
镍黝铜矿
🗣️ 情景例句
OK. I understand. Thank you.
好吧，我懂了，谢谢你。
I played downstairs last night.
我昨晚在楼下玩。
and some of these propositions have been violently opposed.
对风俗的研究才是全面的，才会有收获。