Prekeratin
[化] 前角蛋白
🗣️ 情景例句
a portrait of the United States--
一幅美国的剪影--
What are you trying to pull?
你在玩什么把戏？
which a predecessor of ours at the farm built in the meadow hard by the deepest pool for swimming and diving.
那船坞是农场一位前辈在一块草地上盖的，草地紧挨着一个专供游泳、跳水的深水池。