A projecting handle used to adjust or operate a mechanism. 操作杆用来调节或操作某一机械装置的突出把手
Over the years, we all learned to adjust, to become more comfortable with each other, and to adapt to our new family arrangement. 年复一年，我们都学会了调整自己，学会了彼此宽容，学会了适应我们新的家庭规则。
Select it to activate the slider bar on the right, then use the leave and right arrows to adjust the volume. 使用时先选择该项，激活右边的滑动条，然后用左箭头或右箭头来进行音量调整。
Could you teach me how to adjust the iris of the camera? 你能教我怎么调照相机的光圈吗？
