First, why do we get light propagating at all?首先, 我们来看看光为什么可以传播?The model shows a wave propagating from left to right through air.该模型表明,波从左至右通过空气.What are the pigeons doing outside? Eating, sleeping, propagating!门外的那些鸽子在...
What are the pigeons doing outside? Eating, sleeping, propagating!门外的那些鸽子在干什么? 吃, 睡, 繁衍!The model shows a wave propagating from left to right through air.该模型表明,波从左至右通过空气.First, why do we get light propagating at all?首先, ...
The infinite distances of space are too great for the human mind to comprehend.太空的无垠距离遥远得让人类的大脑无法理解。The bat judges distances by a kind of echo - location.蝙蝠用一种回声测定法来判断距离.The eye can accommodate itself to seeing objects a...
他用芳香油按摩她的背部.He massaged her back with scented oil.她在头发上抹了一种芳香油.She rubbed a scented oil into her hair.那家商店正在出售一种新型的皮肤香油.That shop is selling a new skin balm....
Your non-conformist ways will probably get you into trouble.你特立独行的行事方式可能会给自己惹来麻烦。He may have to become more conformist if he is to prosper again...要想再现辉煌，他可能得更多地依照习惯办事。Their views are non-conformist and their political o...
表示某人没义务做某事.State some body is under an obligation to do something.询问你是否不义务做某事.Asking if you are under an obligation to do something.有义务(做某事 )Be in duty bound to do sth....