Brannerite
钛铀矿, 钛酸铀矿
🗣️ 情景例句
Take care, and don't be a stranger.
保重，以后别见外。
He has gone far beyond me in learning.
他在学问上超过我。
How it came about that snakes manufactured poison is a mystery.
蛇是怎样产生毒液的，这是一个谜。