Ammoniojarosite
铵黄铁矾; 铵黄铁钾矾
🗣️ 情景例句
and a book of photos about the United States still feels right.
而一本关于美国的摄影集仍然很有前景。
To read without reflection is like eating without digestion.
学而不思，犹如食而不化。
How old are you?
你多大啦？