Allanite
[矿]褐帘石
🔁 扩展释义
【化】 褐帘石
🗣️ 情景例句
It's nice meeting you.
很高兴认识你。
Did you have a good flight?
你旅途愉快吗？
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,
海洋中很多地方可深达两三英里，