Falkenstenite
四方沸石
🗣️ 情景例句
Some people seem too think its for practicing grammar rules and learning lists of words.
一些人认为它是用来操练语法规则和学习一大堆单词。
Do you live down the street?
你在街尾居住吗？
Is this your bike?
这是你的自行车吗？