Kolbeckite
水磷硅铍钪石, 硅磷钪石
🗣️ 情景例句
You really ought to take some time off.
的确应该休一休假。
As you travel westward,does the land get higher?
当你向西旅行，陆地变得更高？
It's about four hundred yards down this street.
城堡就在这条街上，（离这儿）400码左右。