Annerdite
[化] 黑铀铌钇矿
🗣️ 情景例句
Hello.
喂。
She seems to have no principles at all when it is a question of making money.
一碰到挣钱的事，她就好像完全不顾自己的人格了。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，