-
This can be as simple as picking up litter in a park or volunteering to clean up a beach.
这可以简单如在公园捡拾垃圾或自愿清理海滩。
youdao
-
Workers clean up the oil on a beach in Gulf Shores, Alabama
阿拉巴马海湾海滨，工人们在清除石油。
youdao
-
Workers clean up the oil on a beach in Gulf Shores, Alabama
阿拉巴马海湾海滨，工人们在清除石油。
youdao