You might have positive stereotypes about certain groups.

你对某些群体的刻板印象可以是积极的。

耶鲁公开课 - 心理学导论课程节选

Now, being phosphorylated means that a phosphate group has been added to the protein, and phosphate groups can only be added to certain amino acids along a protein.

磷酸化的意思是,蛋白上连接了一个磷酸基团,这个磷酸基团只能连在,蛋白中某些特定的氨基酸上

耶鲁公开课 - 生物医学工程探索课程节选