adjective [原级]空的；空洞的，无意义的；空虚的；无知的，愚蠢的；无用的，徒劳的
The room was bare and empty.
verb [vt. 及物动词]清空；变空；流入；使失去
The bottle's nearly empty.
noun [具体名词]空容器
The empty boat drifted out to sea.
单词造句:
The room was bare and empty.
The bottle's nearly empty.
The empty boat drifted out to sea.