at one's elbow
基本解释
- 近在手边
英汉例句
- But it's a very difficult one, you need to have a dictionary at your elbow.
可这本书非常难，你手边需要一本字典。 - This paper describes a motion model of the driver's arms with six DOFs, among them, five at the shoulder and one at the elbow.
本文介绍了一种驾驶员手臂的运动模型，该模型共有六个自由度，肩部有五个，肘部有一个。