back and forth
常见例句
- The pendulum swings back and forth.
这就像单摆一样来回摆动。 - Switching between these states allows Grier to move objects back and forth.
格里尔通过转换这些状态来实现向前和向后移动物体。 - None of this means that what is popular is stagnant, but even dramatic shifts in opinion and political leanings follow a typical pendular pattern, reactively swinging back and forth.
这一切都不意味着流行的就是停滞不前的，然而意见和政策倾斜显著地介入将引发着一个典型的摆动模式，即来回的摆动。 - The road moves back and forth and around corners as it moves up the face of the mountain.
- These two oscillate back and forth so the moment of deprivation is often then balanced by a moment of imagination.
来回交替丧失的时刻,经常和想像的时刻,互相平衡。
耶鲁公开课 - 1945年后的美国小说课程节选 - Because there are ions moving back and forth, there's a current that flows and there's a electrical potential that's generated.
由于离子的进进出出,就产生了电流流动,并且形成了电势差
耶鲁公开课 - 生物医学工程探索课程节选 - And people were just making a lot of money, trading it back and forth, in and out.
NPR: Wall Street Too Real? Try Fantasy Investing - How many successful mentors and leaders do you find lingering back and forth between decisions?
FORBES: Job Skills You Can Learn from Driving a Stick - MS. PSAKI: He did tweet back and forth with Phelps, though, you may have seen.
WHITEHOUSE: The White House 返回 back and forth