2. When the magistrate sees you, he will ask how you expect to catch fish on a
dusty road.

当裁判官看见你时,他将会问你,怎样期望在一条布满灰尘的道路上能抓到鱼。
3. In
dusty environments, the small dust particles less than 2. 5 microns in diameter, easily bacteria into the body.

在尘土飞扬的环境中,直径小于2。5微米的细小灰尘,极易将细菌带入体内。