设x为a加b之和。
The equation is impossible for any value of x greater than 2.
当x的值大于2时,这个等式不成立。
Can the value of y be predicted from the value of x?
能从x值推知y值吗?
The possible permutations of x, y and z are xyz, xzy, yxz, yzx, zxy and zyx.
x、y和z的可能的组合方式为xyz、xzy、yxz、yzx、zxy和zyx。
X-rays can penetrate many objects.
X射线能穿透很多物体。
He had to have his chest X-rayed.
他得进行胸部X光检查。
The doctor studied the X-rays of her lungs.
医生研究了她肺部的X光照片。
It will only register on sophisticated X-ray equipment.
只有在先进的X光设备上它才会显示出来。
She was advised to have an abdominal X-ray.
她被建议拍个腹部X光片。
X-rays have confirmed that he has not broken any bones.
X光片已经证实他没有骨折。
A clerk had slipped the wrong tab on Tony's X-ray.
一位职员失手把一个错误的标签贴到了托尼的X光片上。
I suggested that he rest, and sent him for an X-ray.
我建议他休息,并叫他去作一次X光检查。
The creators of the original X-Men abbreviated the title of its sequel to simply X2.
第1部《X战警》的创作者们把其续集的片名缩写成简单的《X2》。
Passengers must pass through metal detectors, and their carry-on bags are put through X-ray machines.
乘客必须通过金属探测器检测,其随身物品也必须经过X射线设备检测。
You might still want to go for an X-ray, however, just to be on the safe side.
但你也许还想去拍张X光片,为保险起见。
The airline had not been searching unaccompanied baggage by hand, but only screening it on X-ray machines.
这家航空公司一直没有手工检查非随身行李,只是在X光机上检查。
All hand baggage would be x-rayed.
所有手提行李都要拍X光片。
This remarkable technology provides far greater clarity than conventional x-rays.
这一非凡技术提供了比传统的X光要高得多的清晰度。
X标出了所说的地点。
X表示那些没有投票的。
Let's suppose X knows what Y is doing.
假设X知道Y正在干什么。
我得去做X光检查。
X and Y in the equation are both unknowns.
等式中的X和Y都是未知数。
The x-ray detectors feed the input into computer programs.
X射线探测器把输入信息传入计算机程序。
The X-ray showed there was no break in his leg.
X光照片显示他的腿没有骨折。
The hospital staff held off taking Rosenbaum in for an X-ray.
医院工作人员推迟了让罗森鲍姆做X光检查的时间。
The benefit of an x-ray far outweighs the minutely increased risk of cancer.
x射线的好处要远远超过细小增加地癌症风险
In this example 'X' denotes the time taken and 'Y' denotes the distance covered.
在这个例子中,X表示所用的时间,Y表示所行的距离。
因此,X随时间变化而变化。
We drove the cars into an X-ray tunnel for X-ray.
我们把车开进X光隧道进行X光检查。
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