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- 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。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- 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。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- 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。
- I'm trying to track down my old Aunt Maud. 我正试图寻找到我那年迈的婶婶莫德。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- Tracking wild animals requires great stealth. 跟踪野生动物必须悄然无声。
- John bears the bell in all track events at school. 约翰在学校里的各个径赛项目中都赢得第一名。
- 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。
- I'm on the track of a valuable painting. 我在追寻一幅珍贵的油画。
- Keep track of the time you actually travel. 把你旅行的实际时间记录下来。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- 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。
- A locomotive pounded down the railway track. 一辆机车沿着铁道隆隆地驶去。
- I like to watch field and track events. 我喜欢观看田径比赛。
- We have to keep track of every cent we spend. 我们得记下我们花的每一分钱。
