Scheteligite
水钛铌钇锑矿, 锑钨绿石
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
Don't worry about it.
别管他！
By this time, however, three men had come into the ring and they quickly dragged the drunk to safety.
好像连牛也在为他感到遗憾，