hollow

释义

n. 洞, 窟窿, 山谷\na. 空的, 虚伪的, 空腹的, 凹的\nvi. 形成空洞\nvt. 挖空 hollow fiber 中空纤维 hollow glass 中空玻璃；凹窝载玻片 hollow block 空心块，空心砖

例句

a hollow tree

空心树

If you can imagine Jupiter AS a hollow ball, all of the other planets would fit inside and there would still be a lot of room left.

你是否能想象木星如同一个空的球，那么把所有的其它行星都放到里面，它仍然还剩有许多空间。