A simple switch to organic potatoes has the potential to have a big impact because commercially-farmed potatoes are some of the most pesticide-contaminated vegetables.
所以，只要简简单单的将马铃薯改成有机马铃薯，就能产生很大的潜在效果——因为用于商业出售的马铃薯是农药残留量最高的几样蔬菜之一。
Optimism has been further tempered by one European labouratory which says it can't be sure that, as thought, contaminated vegetables were definitely the source of the E.coli outbreak.
更加让人不乐观的是，欧洲一家实验室表示，他们并不能确定污染了的蔬菜是这次大肠杆菌爆发的源头。
Officials late Sunday revealed that two more vegetables, canola and chrysanthemum greens, have also been found to be contaminated and in three more prefectures.
官员星期六晚上披露，另外两种蔬菜，油菜籽和蓬蒿菜，也被发现受到污染。 另外三个县也发现食品污染情况。
He points to the example last month of gardeners in Britain being warned not to eat home-grown vegetables after manure they might have used became contaminated with a herbicide called aminopyralid.
他举了个例子：就在上个月，英国人被告之不要食用自产蔬菜，原因是他们可能已被染有胺草啶的肥料污染。
He points to the example last month of gardeners in Britain being warned not to eat home-grown vegetables after manure they might have used became contaminated with a herbicide called aminopyralid.
他举了个例子：就在上个月，英国人被告之不要食用自产蔬菜，原因是他们可能已被染有胺草啶的肥料污染。
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