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。
- The stethoscope is a medical instrument. 听诊器是一种医疗器械。
- Be modest, otherwise you will lag behind. 要谦虚，否则就要落后。
- This instrument monitors the patient's heartbeats. 这台仪器监听病人的心跳。
- 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。
- The king signed the instrument of abdication. 国王签署了逊位的文告。
- 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。
- A similar board used as a percussion instrument. 敲击板用作打击乐器的一种类似的板
- This scientific instrument suffered severely. 这部科学仪器受到严重损坏。
- Language is an instrument for communication. 语言是交际的手段。
- 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。
- The compass is an instrument of navigation. 罗盘是航行仪器。
- The bagpipe is a sweet musical instrument. 风笛是一种听起来很悦耳的乐器。
- The viola is a stringed instrument. 中提琴是一种弦乐器。
- You'll lag behind unless you study harder. 你如不更加努力地学习就要掉队。
- Let not a single classmate lag behind. 不要让一个同学掉队。
- A telegraphic sending instrument. 发报器电报机中发射信号的仪器
- Made with or as if with a sharp instrument. 割开的用或好象用利器制成的
- An instrument for recording muscular contractions. 肌动描记器记录肌肉收缩的器械
