Plumbosynadelphite
鉛砷鎂錳礦
??? 情景例句
The course I took was above me.
我上的這門課太難了。
When the cat's away,the mice will play.
貓兒不在家，老鼠就玩耍；貓兒不在耗子鬧。
What's your name?
你叫什么名字？