Uranniobite
晶铀矿, 铌铀矿
🗣️ 情景例句
Have you been waiting for me for a long time?
你已经等我很久了吗？
You shouldn't refuse the children's request.
拒绝孩子们的恳求是件不好的事。
I think it would be a good idea to have comments from secretaries and typists who are already using it. Then they can express their satisfaction with the product.
我认为，听听使用过这种计算机的秘书和打字员的反映，倒是个好主意。他们可以发表对产品满意的意见。