单词：hollows
n. 圆角面；中空；凹陷处（hollow的复数形式）
n a cavity or space in something
n a small valley between mountains
n a depression hollowed out of solid matter
v remove the inner part or the core of
v remove the interior of
n a small valley between mountains
n a depression hollowed out of solid matter
v remove the inner part or the core of
v remove the interior of
hollows的用法和样例：
例句
- The soldier hollowed oat a foxhole in the ground to lie in.那士兵在地上挖了个散兵坑以便藏身。
- The bell, when struck, gave forth a hollow sound.敲这钟时发出一种闷哑的声音。