您要查找的是不是：
- be on a transport mission 在执行运输任务
- How much interest will there be on a principal of $5000? 5000美元本金的利息是多少？
- Our packing will be on a par with that of the Japanese. 我们的包装可以与日本同行相比美。
- The flight was on a reconnaissance mission. 这个飞行分队在执行一次侦查任务。
- Imagine yourself to be on a desert island. 设想一下你身处荒岛的情形。
- They might be on a guerilla hunt. 他们可能在一个游击队狩猎上。
- The lawyer was on a quest for further evidence. 律师正在到处找寻更多的证据。
- The doctor said that I should be on a diet. 医生说我必须节食。
- I imagine yourself to be on a desert island . 我想象一下你自己在一个荒岛上的情景。
- She's been on a few marches lately. 她最近参加过几次游行示威。
- Bill had a feeling he was on a fast track. 比尔感觉到他正快速迈向成功。
- The two parties are on a collision course. 这两个政党正朝著导致冲突的方向发展。
- Do you think it good for her to be on a diet? 你认为她吃减肥食谱好吗?
- The enemy believed that the old lady was on a secret mission. 敌人认定那位老太太是在执行一项秘密任务。
- Being on a small or greatly reduced scale. 小型的或微小的尺寸很小或尺寸缩得很小的
- Being on a strenuous bender, I had forgotten to sign a check. 由于酗酒过头，我在一张支票上忘记了签名。
- I imagine yourself to be on a desert island. 我想像一下你自己在一个荒岛上的情景。
- Be on a varsity team must be tough. 参加大学代表队一定很辛苦
- My career seemed to be on a downward trajectory. 我的事业似乎在走下坡路。
- The water rose until it was on a level with the river banks. 河水上涨至与堤岸相平。
