The protecting canvascover fell away in bits from the framework.
作防护用的帆布围罩，从车架上一小块一小块地被扯落下来。
2
My fingers stretch out, seeking Prim's warmth but finding only the rough canvascover of the mattress.
我伸出手指，找寻普瑞姆的温暖，但只摸到了盖在床垫上的粗布被套。
3
The white canvascover on the Conestoga wagon protected the freight from inclement weather; it was stretched taut over a series of wooden hoops that arched over the wagon bed.