Arrhenite
铍钽铌矿, 蚀变的褐钇铌矿
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
I'll be ready within five minutes.
我五分钟内就可以准备好了。
At last he said,I think I can help him. He'll be OK if I do one small operation.
“我想我能治他的病。只要我给他做一个小手术，他就会好的。”