a bit dense

• 不聪明；迟钝

a bit dense的用法和样例：

例句

1. She is not very clever, but otherwise she's a nice girl.
   她并不聪明，但在其他方面，她倒是个好姑娘。
2. Diplodocus had a very small brain and was not smart.
   梁龙的脑袋非常小,所以它不聪明。
3. My head became heavy after a whole day's meeting.
   开了一整天会我的头脑变迟钝了。
4. He's a bit slow but in the end he latches on.
   他有点迟钝，但毕竟还能理解。