1·As she passed, she caught sight of a dry crust of bread on the commode, which was moulding there amid the dust; she flung herself upon it and bit into it, muttering.
走过抽斗柜时，她看见那上面有一块在尘土中发霉的干面包壳，她扑了上去，拿来一面啃，一面嘟囔。
2·On the dry environment area, bryophytes have become the main soil crust plants.
在这样的干燥地区，苔藓植物已经成为主要的土壤结皮植被类群。