As I was suffering through my week of anxiety, overthinking the material and guessing my grasp of it, I did some of my own polling among students and professors.
2017年12月四级真题（第一套）阅读 Section B
The latest in cat research reveals that the lovely animal seems to have a basic grasp on both the laws of physics and the ins and outs of cause and effect.
2018年12月四级真题（第三套）阅读 Section C
英语六级真题
Surfing the Internet during class doesn't just steal focus from the educator; it also hurts students who're already struggling to grasp the material.
2018年12月六级真题（第二套）阅读
柯林斯高阶英汉双解学习词典释义
VERB
抓紧；握牢；握紧
If you grasp something, you take it in your hand and hold it very firmly.
If you say that something is in someone's grasp, you disapprove of the fact that they possess or control it. If something slips from your grasp, you lose it or lose control of it.