51. | The defense of Britain is helped by its island situation. |
| 英国的岛屿位置有助于它的防御。
|
52. | American Pacific defense strategy. |
| 美国的太平洋防御策略。
|
53. | Air Defense Identification Zone [ADDIS]. |
| 防空识别区。
|
54. | They said defense spending should be raised but put no figure on the increase they wanted. |
| 他们说防御开支应增加,但没有确切说出他们想提高的数字。
|
55. | the Defense Ministry building |
| 国防部大楼
|
56. | keep the accent ( up ) on air power in the defense program |
| 把防卫计划的重点放在空军上
|
57. | gas defense appliances |
| 防毒器具
|
58. | defense area |
| 防卫区
|
59. | a very able exposition and defense of the company's attitude |
| 对该公司的态度所作的极为有力的说明和辩护
|
60. | defense expenditures |
| 国防经费
|