Baroselenite
重晶石
🗣️ 情景例句
Good-bye, Susan.
再见， Susan。
I want to take this opportunity to thank them all.
我想借这个机会向他们表示感谢。
Police are wary of itinerants who cannot be traced to a recognized camp boundary or to four walls.
警察则对那些查不出有固定营地或住处的游荡者保持警惕。