Davisonite
[矿]板磷钙铝石
🗣️ 情景例句
There are a lot of beggars on the street, how can we help them?
街上的乞丐那么多，我们怎么能帮助他们呢？
Who makes everything right must rise early.
要把事事都做好，必须坚持起得早。
He lacks courage.
他缺乏勇气。