Pir
abbr. 蛋白序列数据库（Protein Identification Resource）；聚三聚氰酸酯
🗣️ 情景例句
Uh-oh. It's probably the hospital.
哎哟 ，可能是医院。
What are you playing?
你正在玩什么？
I don't like autumn and winter.The days are short and the nights are long.The sun rises late and set early.
我不喜欢秋天和冬天，因为此时白天短而夜晚长，太阳升得迟而落得早。