Pir
abbr. 蛋白序列数据库（Protein Identification Resource）；聚三聚氰酸酯
🗣️ 情景例句
Thank you. Good-bye. Bye, Gerald.
谢谢。再见。Gerald 再见。
My watch is more expensive because it's a chronometer.
我的手表是精密型的，所以要比你的贵。
it is customary for the new arrival to be placed between the stalls of two captives whose training is already well advanced.
通常是把新到的安置在两头训练得很好的大象的象厩中间，