查询词典 back and forth

Yet, the physiological restriction of the retina, that visual acuity decreases as the location moves away from the fovea, makes it necessary for the eyes to move back and forth in order to perceive information.

然而，由於视网膜神经接受细胞分布的特性，视网膜上不同区域的视觉敏锐度并不相同，在网膜的中*央小窝附近区域才能接收最清楚的影像，因此眼睛必须经常的移动，才能看清楚外在的世界。

In full machine cutting mode, the main motor drives the flywheel, which drives the saw frame back and forth along a straight line, the work piece on the block trolley sustains top-rising cutting by elevating the lift platform.

整机切割方式，主电机驱动飞轮，带动锯框做直线往复运动；装载荒料的荒料车通过升降台的提升实现荒料顶升式锯切。

The guard walked back and forth in the frond of gate.

这名士兵在大门前来回地走。

After some back-and-forth, Gault winds up with two $6 packages of bacon for free.

经过一番唇枪舌战，高尔特免费得到了两包价值6美元的熏肉包。

After sticking, press back and forth to give the most effect

在胶带固定后，在胶带上来回按压，发挥粘合剂的最

After sticking, press back and forth to give the most effect of adhesive.

在胶带固定后，在胶带上来回按压，发挥粘合剂的最大效用。

If you don't have to go back and forth to a server for information you don't need to do so much to maintain state information.

如果你没有回去，并提出了到服务器的信息，你不必做那么多，以维护国家的信息。

Children like to go back and forth on the swings in the park.

孩子们喜欢在公园的秋千上荡来荡去。

You know, there are those who go back and forth over the threshold where the two worlds meet

你知道，很多人徘徊于两个世界中的交界点

MCCAIN: Well, again, I dont mean to go back and forth, but he...

麦凯恩：这个，我再说一次，我不是要来回扯皮，但是他

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷