A 1972 agreement between Canada and the United States reduced the amount of phosphates that municipalities had been allowed to dump into the Great Lakes.
更多...
524
15
4712
ChaseDream
政府的规章制度,客观真理,都用一般现在时
我不觉得完成时没有在延续下去的意思。
举报
这个agreement这里就是这个意思
两国之间的协定,应该算是是政府规章,呵呵个人意见
发表回复
手机版|ChaseDream|GMT+8, 2024-5-11 14:24 京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
ChaseDream 论坛
© 2003-2023 ChaseDream.com. All Rights Reserved.