hard back

常见例句

At first it pushed us so hard back into our seats that we could not say anything to each other.
起初这种压力使劲把我们向后推倒在座位上，以致于我们彼此不能说话了。
I have to get up at 5.20 every morning, inside the first hard back at home, to school in the back, or will not be back.
每天早上我都要5.20起床，在家里面先使劲的背，到学校在背，还是不会背。
First, I put dirty clothes into the pot, and then they put a lot of detergent and laundry detergent, after wet my hard back and forth on a washboard rubbing.
首先，我把脏衣服都放进了盆子里，然后又放了好多的洗衣粉和洗衣液，打湿后我使劲在洗衣板上来回搓动。

He had to struggle to reach forward for the controls while being pushed back hard in his seat.
And if we do, in fact, hit it with light to get the electrons off, it will go back to the straight up in position, or if it gets knocked hard enough it does that, too.
而且如果我们这么做，事实上，用光轰击它以逐出电子，它就会在原位置沿直线返回，或者如果它被撞击的足够猛烈,也会出现上述现象。
麻省理工公开课 - 化学原理课程节选
If somewhere later on in the code it shifts to string, I might not be manipulating that and getting actual values out, but not what I wanted, and it's going to be really hard for me to chase it back.
然后后面的一些代码,把变量类型变为了字符串，我可能不会通过实际操作,去取得实际的变量的类型，但是这并不是我想要的类型,而且对我来说把类型，变回去也很困难。
麻省理工公开课 - 计算机科学及编程导论课程节选

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