Phenanthrine
[化] 菲
🗣️ 情景例句
You understand?
你能谅解？
John and I are old friends.
我和约翰是老朋友了。
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。