the residual nuclear radiation still badly has endangered the natural ecosystems in the native.

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/17 07:03:02

the residual nuclear radiation still badly has endangered the natural ecosystems in the native.

has endangered 这地方不对 如果是现在完成时,应该是have/has been done.

应该对吧。。。

The residual nuclear radiation has badlly endangered the natural ecosystem in the country.
残余的核辐射在国内已经严重地危害了大自然的生态系统。
希望对你有帮助! :D