碳元素年代测定法给考古学家提供了基本的年代框架.Carbon dating provides the archaeologist with a basic chronological framework.蝙蝠用一种回声测定法来判断距离.The bat judges distances by a kind of echo - location.要求用直接测定法校正间接测定法.A direct means is required to ca...
He panted out his message.他气喘吁吁地讲出口信.Aunt Pitty panted out after them.皮蒂姑妈喘着气跟在她们后面.She panted still with the fiery liquid she had gulped.她吞食的烈性液体使她面色微红....
“太遗憾了,”格雷厄姆略带挖苦地说道。"What a pity," Graham said with a hint of sarcasm.西点军校的同学们曾挖苦地戏称他为“美人”。Classmates at West Point had ironically dubbed him Beauty.思嘉一直在忍受着听他的话, 这时才挖苦地笑了.Scarlett, who had been smarting under his words, ...
白垩纪尚无壳斗科可靠的大化石记录,微化石需要进一步研究才能确定亲缘关系以及古新世壳斗科已经分化出两个类群.No creditable macrofossil record of the Fagaceae exists in the Cretaceous equivocal and require further study....
我做了些糖, 你愿意试吃 吗 ?I've made some candies -- will you be my guinea pig?她试吃蛋糕,觉得很好吃.She sampled the cake and found it very good.吉娜: 我觉得这个最正点 ─ ─芋头酥饼. 来, 试吃一下.Gina: I think this is perfect - the taro cakes. Here, try a 5...
以发人深省的讲道出名的传道者a preacher famous for her inspiring sermons据说他的讲道词是很能动人心灵的.It is said that his discourses were very soul - moving.他的讲道文从不引经据典.His sermons were delivered without book....
当温度达到熔点时, 金属就变成液体流出,并注入特殊的铸模中.When the temperature reaches melting point, the metal runs off as a liquid and flows into special modules.把熔化的金属倒入铸模。The molten metal is poured into the mould.将混合物注入已预热到同样温度的铸模内.The mixture ...