Nicolayite
硅铅钍铀矿
🗣️ 情景例句
I did not notice it until yesterday.
我一直到昨天才注意到它。
Better wear out shoes than sheets.
宁可（经常运动）穿破鞋子，也不（因病长卧）磨破床单。
We'll stay here with you until help comes.
在有人来救援前，我们要留在这儿。