fields是什么意思

　　Some people are worried that electromagnetic fields from electric power lines could increase the risk of cancer.

　　一些人担心电源线的'电磁场可能增加患癌症的风险。

　　The house is backed by fields.

　　房子的后面是田野。

　　There's a way across the fields.

　　有一条路穿过田地。

　　Lunch was a snack in the fields.

　　午饭是在野外吃的快餐。

　　Lambs frisked in the fields.

　　羊羔在田野里活蹦乱跳。