Mendeleyevite
钙铌钛铀矿
🗣️ 情景例句
I ofter go shopping during National Day holiday.
我经常是在国庆节购物。
Almost everyone is aware of environmental problems in America.
在美国，几乎人人都注意到环境问题。
It took the police nearly an hour to get the traffic on the move again.
警察花了将近一个小时才使车辆又开起来。