雨点打在铁皮屋顶上发出的有节奏的嗒嗒声the steady drumming of the rain on the tin roof雨水会使铁皮屋顶生锈.The rain will rust the iron roof.原来,有个货摊卖起了铁皮平底锅.It appeared that one of the stalls had been selling tin saucepans....
The airlines still have 2,500 new aeroplanes on order.这家航空公司尚有2,500架新飞机在订购中。Please send me the articles on order by goods.请将我所订的货物经铁路运来.This book is on order.这本书已订购....