Gersbyite
磷镁铝石
🗣️ 情景例句
Language is her strength, math is her weakness.
语言是她的强项，数学则是她的弱门。
Did you go to the school last night?
你昨晚去学校了吗？
Learn to say the right thing at the right time.
学会在适当的时候说适当的话。