Ralstonite
氟钠镁铝石
🗣️ 情景例句
My wife died four years ago.
我妻子四年前去世了。
Hunger knows no friend.
饥难周友。
He offered to train Mendoza and his young pupil was quick to learn.
他主动提出教授门多萨，而年少的门多萨一学就会。