Ludwigite
硼镁铁矿
🗣️ 情景例句
but I've worked so hard on Family Album, U.S.A.,
但是我一直为Family Album, U.S.A.辛勤工作
When it started raining, I was playing outside.
当雨开始下的时候，我在外面玩。
We could visit the town of Aswan.
我们可以游览阿斯旺城。