|
|
| 51. | natural cryolite |
| 天然冰晶石 |
|
|
| | |
| 52. | natural whet stone |
| 天然磨刀石 |
|
|
| | |
| 53. | naturally-occurring uranium |
| 天然铀 |
|
|
| | |
| 54. | natural emulsion |
| 天然乳胶 |
|
|
| | |
| 55. | spontaneous magnetism |
| 天然磁性 |
|
|
| | |
| 56. | natural camphor |
| 天然樟脑 |
|
|
| | |
| 57. | material aerosol |
| 天然气溶胶 |
|
|
| | |
| 58. | natural electrode |
| 天然石墨电极 |
|
|
| | |
| 59. | natural camouflage |
| 天然伪装 |
|
|
| | |
| 60. | natural environmental feature |
| 天然景物 |
|
|
| | |