Sefstromite
钒钛铁矿
🗣️ 情景例句
A great-grandchild. A great-grandson.
一个曾孙。 一个曾孙。
A secret between more than two is no secret.
两人以上知道的秘密就不算秘密。
Look! It's inside another pot. What was that pot used for?
“瞧！还是大壶套小壶呢。有什么用途？”