Mossite
重铌钽矿
🗣️ 情景例句
Happy Thanksgiving.
感恩节快乐。
The surest way to be happy is to be busy.
要快乐，最可靠的办法是忙碌。
she said she was not going to make another.She said she was going to retire.
她不准备再拍电影了。她说她准备退休。