您要查找的是不是：
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- Be modest, otherwise you will lag behind. 要谦虚，否则就要落后。
- There is a time lag of about 10 years. 有大约十年时间的间歇。
- I felt completely disorientated with the jet lag. 我乘长途飞机後因生理节奏失调而感到昏昏沉沉的。
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- This charge is a positive charge. 这个电荷是正电荷。
- The children always lag behind when we go for a walk. 我们出去散步时，孩子们总是落在后面。
- She shows a very positive attitude to her work. 她工作态度非常积极。
- Can you be positive about what you hear? 你对听到的话有把握吗？
- If your payments of rent lag behind, you will be asked to leave. 你要是不能按时付房租，就要请你搬家。
- He has a positive attitude towards life. 他对生活持有积极的态度。
- The number of positive numbers is infinite. 正数的数目是无穷的。
- You'll lag behind unless you study harder. 你如不更加努力地学习就要掉队。
- Are you positive that you saw him? 你肯定你看到他吗?
- Let not a single classmate lag behind. 不要让一个同学掉队。
- Some of the runner in the race begin to lag. 参加比赛的运动员中有一些开始落后了。
- Increasing the total time lag is destabilizing. 增加总时滞将使稳定性降低。
- We still lag behind in this respect. 在这方面，我们还比较落后。
