方向: direction; orientation 短语和例子明确斗争的方向 clarify the orientation of the struggle; 在森林里迷失了方向 lose one's way in the forest; 坚定正确的政治方向 a firm and correct political orientation; 指明前进的方向 point out t
Example Sentences:
1.
The light is admitted through a slit in the curtain across the line of film motion . 利用帘布上的长条形狭缝沿卷片方向的运动来控制光线的进入。
2.
The curtain is tensioned between two rollers which pull the slit across the film at various speeds . 帘布被绷紧在两个卷轴之间，卷轴能使长条形狭缝以不同的速度沿卷片方向运动。
