Ursilite
硅镁钙铀矿, 水钙镁铀石, 水硅铀矿
🗣️ 情景例句
Shall I call Mr. Marchetta for you?
要我替你打电话给 Marchetta先生吗？
It's nothing.
小事情；不足挂齿。
The turtle at last gives up by pulling his feet under his shell and the game is over.
海龟终于屈服了，将4条腿缩进壳内。