| 41. | a sheet criss-crossed with pencil marks |
| 用铅笔画有十字记号的一张纸
|
| 42. | tear a sheet of paper in two |
| 把一张纸撕成两半
|
| 43. | a thin sheet of metal |
| 一张薄金属板
|
| 44. | shake out a sheet , sail, etc |
| 抖开床单, 帆等
|
| 45. | a sheet of glass, tin, copper, paper |
| 一块玻璃, 一块镀锡铁皮, 一块铜片, 一张纸
|
| 46. | put a fresh sheet in the typewriter |
| 把一张纸放进打字机中
|
| 47. | a single bed, sheet |
| 单人床, 被单
|
| 48. | a waterproof plastic skin on a metal sheet |
| 金属板的防水塑料外层
|
| 49. | a smooth sheet of ice |
| 光滑的冰
|
| 50. | smooth out a sheet on a bed |
| 把床单铺平
|