Nitrogenation
氮化作用
🗣️ 情景例句
My stomach growls at me when I'm hungry.
我的肚子在咕噜咕噜地向我发牢骚呢！
A fox may grow grey, but never good.
狐狸会变，但本性难移。
They have a character, perhaps two;
他们心中有一个或两个角色。