您要查找的是不是：
- Medical Instrument background is preferred. 有医疗激光背景者优先。
- He has a strong political background. 他有强大的政治背景。
- The stethoscope is a medical instrument. 听诊器是一种医疗器械。
- That incessant background music gets on my nerves. 那没完没了的背景音乐令我非常烦恼！
- This instrument monitors the patient's heartbeats. 这台仪器监听病人的心跳。
- He has a working-class background. 他是工人阶级出身。
- Get the fall in the background, will you? 把瀑布拍进背景中去好吗？
- A background accompaniment, as for a performer. 伴奏为一个演奏者配音伴奏
- She came from a privileged background. 她出身於特权阶层。
- The king signed the instrument of abdication. 国王签署了逊位的文告。
- He came from an impoverished background. 他出身贫寒。
- This book gives the background of the Civil War. 这本书叙述了南北战争的背景。
- Other motives may have lurked in the background. 这后面可能隐藏着其它动机。
- 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。
- He was lurking slyly in the background. 他狡猾地躲在背後活动。
- Language is an instrument for communication. 语言是交际的手段。
- 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。
