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月四級真題（第一套）閱讀 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月四級真題（第三套）閱讀 Section C
英語六級真題
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月六級真題（第二套）閱讀
柯林斯高階英漢雙解學習詞典釋義
VERB
抓緊；握牢；握緊
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.