这份保证书有效期为一年.This guarantee is valid for one year.本保证书自购置此产品之日起有效期为一年.This warranty is good for one year after the date of the purchase of the product.你需要发一份保证书到你办公室?Do you want that confirmation sent to your office or yo...
I would have twinges of guilt occasionally.我时而会感到阵阵内疚。But whatever twinges of conscience he might have would be rudimentary, you may be sure.不过你可以肯定,不管他为什么良心不安,这种不安都是微乎其微的.I've had severe twinges of toothache.我的牙齿一阵...
同时，把碗置于微沸的水上，将白巧克力放入碗中使其熔化。Meanwhile, melt the white chocolate in a bowl suspended over simmering water.情绪低落的时候，她们就疯狂地猛吃巧克力和糖果。When depressed, they dramatically overindulge in chocolate and sweets.那表示尼古拉斯还想要一块巧克力曲奇。That ...
Mount Unzen has been spewing out volcanic ash, gas, and rock today.云仙山今天一直在向外喷涌火山灰、气体和火山岩。He was still spewing forth in public such offal about Mary Lincoln.他还在公众场合散布关于玛丽·林肯的这样一些谰言.The typewriter were spewing out status ...
How odd life was, how unfathomable, how profoundly unjust.生活多么离奇，多么莫测，多么不公啊！Susan nodded sagely as if what I had said was profoundly significant.苏珊洞悉一切似的点点头，好像我所说的话意义深刻。In politics, as in other areas, he is profoundly co...
吡咯, 噻酚和呋喃的情况就是这样.Such is the case in pyrrole, thiophene, and furan.研究结果表明关键步骤为原料 4- 甲基 -2, 3- 呋喃二酮的合成.It'shows that the key step is the synthesis of 4 - methyl - dihydro - furan - 2 , 3 - dione.用糠醇和糠醛缩聚制备了新型呋喃树脂.A n...