| 41. | have an active brain |
| 头脑灵活
|
| 42. | the active ingredients |
| 有效成分
|
| 43. | active resistance |
| 积极抵抗
|
| 44. | be on active service |
| 服现役
|
| 45. | mentally alert, aware, active , etc |
| 精神上警惕的, 警觉的, 活跃的等
|
| 46. | an active , an honorary, a founding, etc member of the club |
| 俱乐部的积极分子, 荣誉会员, 发起人等
|
| 47. | a politically active , astute, nave, etc person |
| 政治上很活跃, 很精明, 很幼稚
|
| 48. | in full play fully operating or active |
| 正在进行中; 正起劲
|
| 49. | sexually active |
| 在性方面活跃
|
| 50. | on stream in active operation or production |
| 在实际运转或生产中
|