vacuous

形容詞

1. 1

   空洞的、膚淺的、無意義的貶義

   His speech was full of vacuous promises about the future.

   他的演講充滿對未來的空洞承諾。

2. 2

   呆滯的、茫然的、無神的指表情、眼神

   She stared at the wall with a vacuous expression.

   她用呆滯的表情盯著牆壁。

3. 3

   空的、真空的正式

   The instrument measures pressure inside a vacuous chamber.

   這個儀器測量真空室內的壓力。