1.Theory of Relativity 相对论

It may be unoriginal, but hey it is your first robot, don't expect to develop the theory of relativity on your first try.

这可能没有创造性，但这是你的第一个机器人，不要指望在第一次尝试的时候就发明相对论2QZ(l2=s;BW2Qisgh!7。

2.a beam of light 一束光

And Grier should know: he designed his own tractor beam and built it, demonstrating for the first time that a beam of light can tug objects over long distances.

因为他设计并制造了他自己的牵引光束装置，并且用他的装置第一次证明了光束可以远距离拖动物体Z(vsA-j3rO(skOhFPc*N。

3.household name 家喻户晓的人

Huamei is hardly a household name in Britain, but its products may well be keeping you decent.

华美这个名字在英国并非家喻户晓，但是其产品或许能让你显得很体面KOk#;B1ZH,Ewt**o。

4.be mistaken for 被误认为…

Some patients develop neck stiffness, sensitivity to light, loss of appetite and vomiting; in these patients the disease, in its early stages, may be mistaken for meningitis.

一些患者出现脖子僵硬、畏光、食欲减退和呕吐症状；这些人在发病初期可能会被误诊为脑膜炎患者)QVY.=sgA;。