Oxonite
苦味酸的硝酸溶液
🗣️ 情景例句
He's poor.
他很穷。
What are you thinking of?
你正在想什么？
In his youth, his father and grandfather often told him stories about their family history.
年轻时，他的父亲和祖父常常同他说起他们的家史。