| 41. | a pasty substance |
| 糊状物质
|
| 42. | a composite substance |
| 混合物
|
| 43. | a dense substance , rock, star |
| 密度大的物质, 岩石, 星星
|
| 44. | a fluid substance |
| 流体
|
| 45. | a simple substance , mixture |
| 单纯的物质, 混合物
|
| 46. | a poisonous substance like cyanide |
| 类似氰化物的有毒物质
|
| 47. | a substance that will prevent rust |
| 防锈物质
|
| 48. | the substance of the speech |
| 讲话的要旨
|
| 49. | incorporate a chemical substance with others |
| 把一种化学物质和其他化学物质混合
|
| 50. | grate one hard substance against [(up) on] another |
| 用一硬物去摩擦另一硬物发出吱嘎声
|