不倒翁有两种, 一种为水钙铝榴石玉, 另一种为玉髓蛋白石玉.Budaoweng has two kinds, one is hydrogrossular, the other is chalcedony opal.一种略微透明的绿色玉髓,用作宝石.A light green or light grayish - green variety of translucent chalcedony.最近我们鉴定到一些新的模仿品,其折射率及比重非...
这是由于磁畴边界的不可逆运动所致.This results from the irreversible motion of domain boundaries.弹射座椅操纵杆只能用一次, 它的使用将引起重要的变化,而且这个过程是不可逆的.Ejector seat levers can only be used once, and their consequences are significant and irreversible.完全...
现在采取措施增强体质会使你日后受益。Steps taken now to maximise your health will pay dividends later on.他们将会受益于最新的导航系统。They will be helped by the very latest in navigation aids.这位艺术家从卢浮宫受益颇多。The artist found much to his profit in the Louv...