portion: n.1.一部分。2.一份，一般；(饭菜)一客。3.【法律】分得的财产。4.嫁妆，妆奁。5.〔仅用单数〕命运。短语和例子one portion of roast beef 烤牛肉一客。 a portion of (land) 一部分地，若干(土地)。vt.1.把…分成份额；分配 (out)。2.给…嫁妆。3.命运注定。adj.-less 得不到分配物的〔尤指遗产〕的；没有嫁资
Three additional regions were also highly conserved in both proteins . cream1 exhibited an activation activity that was attributed to its n - terminal portion when assayed in yeast 在过去的几年中，不少ser - thr激酶被发现对中心体的结构和功能有着非常重要的作用。
