The only appreciable loss of niacin occurs when it leaches into cooking water .
当溶入烹调水中，仅烟酸的损失发生。
Experts say melamine sometimes accidentally leaches into the food supply in low levels , from things like plastic dinnerware .
专家说三聚氰胺可以通过象塑料餐具这样的物品以低量渗透进食物。
I like how apple sort of implies that it 's okay with these third-party leaches using itunes , but that it simply can 't support them .
我喜欢苹果这种暗示，你可以在这些第三方播放器上使用itunes，但这不被支持。
Dropping foods that are rich in water-soluble vitamins ( like the bs c folate ) into cooking water leaches some of the vitamins .
把富含水溶维生素（如维生素b簇，维c和叶酸）的食物扔到开水里煮，会溶解出一些维生素。
Despite periodic government efforts to promote less wasteful practices irrigation water still flows largely through dirt channels often choked with weeds . Much of it leaches into the ground before reaching crops .
