You could have been killed.
I could have told you, but I didn’t think you would listen.
She could have married Gerald if she’d wanted to.
The explosion could have been caused by a gas leak.
It could have been Dan, but I’m not sure.
英语词典包含67175条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。