Proteins
n. 蛋白质( protein的复数形式 )
🗣️ 情景例句
What university did you graduate from?
你从哪所大学毕业的？
To climb stairs
爬楼梯
he knows while he looks at one side what the other side is like;
他看物体的一边时，便知道另一边是个什么样子。