Missing until recently were fossils clearly intermediate, or transitional, between land cetaceans.

  • 近期发现的化石已经可以很清晰地帮助人们了解这个问题, 以及他们之间的过渡关系.
  • 来源:互联网摘选更新时间:2025-01-18 12:23:46

  • 重点词汇
  • missingadj.找不到的,丢失的;失踪的;遗漏的;
  • intermediateadj.中间的,中级的;
  • were be的过去时复数和第二人称单数形式;有时代替 was,用于条件从句、动词 wish 之后等;
  • betweenprep.在…之间;介于…之间;往返于;共享;一起;
  • transitionaladj.变迁的,过渡期的;渐变的,转变的;转移的;过滤(的);
  • clearlyadv.清晰地;易懂地;显然地;
  • until recentlyadj.直到最近;
  • landn.陆地;地带,土地;地产,地皮;国度;国土;
  • Cetaceansn.鲸目动物( cetacean的名词复数 );
  • orconj.或,或者;还是;不然,否则;左右;
  • 相关例句
1、

Any of various similar cetaceans, such as the killer whale.

须鲸类;露脊鲸;长须鲸; 蓝鲸;座头鲸.

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2、

It is not clear whether cetaceans undergo dream sleep.

鲸类动物是否经历梦睡眠还不清楚.

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3、

Although limited to a skull , the Pakicetus fossil provides precious details on the origins of cetaceans.

尽管只是个头盖骨, 但它却提供了研究原始鲸类动物起源的珍贵信息.

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4、

It is significant for locomotive diesel engine to burn low cetane fuel.

机车柴油机烧低十六烷值柴油具有很重要的现实意义.

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5、

Cetane improver . Makes the engine run better at higher compression settings.

碳氢化合物的改进物. 使引擎在高压缩比时运转较为顺畅.

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6、

Bio-fuel has the advantages of less emission, higher cetane number, and no carcinogens produced.

生物柴油具有排烟少 、 十六烷值高 、 且不会产生致癌物质等优点.

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7、

Cetane Number ( CN ) of diesel has effect on cold startability and emissions in a diesel Engine.

柴油的十六 烷 值对柴油机冷起动和排放有一定影响.

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8、

Cyclohexyl nitrate is an effective cetane number improver for diesel oil.

硝酸环己酯是一种有效的柴油十六烷值改进剂.

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9、

Cetuximab Is Key Therapeutic Agent.

cetuximab是重点治疗药物.

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10、

Effects of surfactant on viscosity of cetyl hydroxyethylcellulose ( CHEC ) solution were investigated by rheometer.

通过流变仪研究了几种表面活性剂对十六烷基羟乙基纤维素 ( CHEC ) 溶液黏度的影响.

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11、

Cetyl phthalate was prepared from anhydride and cetyl alcohol as raw materials catalyzed by non-acid catalyst.

以苯酐与十六醇为原料,选用 非 酸催化剂,在实验室合成了增塑剂邻苯二甲酸双十六烷基酯.

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12、

A capillary GC method was established for determination cetyl alcohol and stearyl alcohol in cetostearyl alcohol.

建立了毛细管GC法测定药用辅料十六十八醇的含量.

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13、

Our business includes wholesale of high-quality coffee beans, Ceylon tea, coffee-making appliances and accessories.

经营各国优质咖啡豆 、 锡兰红茶及咖啡机等批发业务.

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14、

In Ceylon , for instance, he helped restore the legitimate ruler to the throne.

例如,在锡兰(即今天的斯里兰卡), 他扶持合法统治者重登王位.

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15、

For aroma and flavor, I think you cannot beat Ceylon teas.

就香气和味道来说, 我想什么也比不过锡兰茶.

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16、

About 85 species from Ceylon to South East Asia and New Guinea.

近85种﹐分布区域由锡兰至东南亚及新几内亚.

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17、

Britain acquired valuable colonies, including Malta the Cape of Good Hope, and Ceylon.

英国得到重要的殖民地, 包括马尔他、好望角和锡兰.

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18、

Ceylon the land of tea has an almost infinite variety of teas and tastes.

锡兰茶园几乎拥有无穷尽种类的茶叶和口感.

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19、

The expert recognises Ceylon sapphires the luminosity and brilliance of their light to medium blue colour.

专家认可锡兰青玉从他们的光光度和光华对中等蓝色颜色.

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20、

Paul Cezanne would stare at an apple for hours.

保罗·塞尚无时地注视著一粒苹果.

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