“合用的”造句

那些旧掸子来掸汽车上的灰倒挺合用的.
Those old dusters will become useful for polishing the car.

在找到,种合用的材料之前,他竟试验了两千种以上的材料.
He tested over two thousand materials before discovering one that would work.

食品协会已经出版了一本合用的手册.
The Food Association has brought out a handy guide.

• #合用的