A 1972 agreement between Canada and the United States reduced the phosphate amount that municipalities had been dumping into the Great Lakes.
语法 Sentence Correction-367
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正确的用户笔记
Heyiii 2015-09-11 10:46:33
the phosphate amount...表达错误，应该改为 the amount of phosphate（磷酸盐）。allow 不可省略。municipality（市民）
ypheroin 2015-12-03 22:18:07
已经被m倒掉的量怎么可能被减少。
Bingley 2015-10-06 10:23:49
过完完成进行时 同样 法规规定的不是减少过去发生的数量，而是现在或者将来的。
yhhzj110 2016-09-03 23:27:42
phosphate amount表达不清 要用the amount of phosphate had been dumping 改变原意
moneysharon 2015-08-09 04:58:21
[我]錯在had been??[正解]the amount of phosphate, 不能用the phosphate amount; 完全没提allow了，改变了句意
JQueen 2015-03-06 16:09:42
the amount of phosphate, 不能用the phosphate amount; 完全没提allow了，改变了句意
