Polymorphy
多晶型现象
🗣️ 情景例句
Do you have a story?
你有什么新闻故事呢
Soon up, soon down.
升得高，落得快。
Do you see that notice? It says No Camping -- in case you can't read!'
你们看到那个布告牌了吗？上面写着‘禁止野营’－－除非你们不识字！”