他收集了这样一个海峡可能存在的证据，如形成于10000年前的地中海海藻的小化石。
He has located possible exits for such a channel, as well as tiny fossils of Mediterranean algal blooms formed in the past 10,000 years.
他收集了这样一个海峡可能存在的证据，如形成于10000年前的地中海海藻的小化石。
He has located possible exits for such a channel, as well as tiny fossils of Mediterranean algal blooms formed in the past 10, 000 years.
20世纪20年代，一位古生物学家在一个装着蛋的巢穴附近发现了一只小恐龙的化石遗迹。
In the 1920s, a paleontologist discovered the fossil remains of a small dinosaur near a nest containing eggs.
小恐龙的化石表明他们行动速度，但在它们大块头远亲中没有发现类似的证据。
Fossils of smaller dinosaurs indicate that they moved fast but there is no similar evidence for their bigger Cousins.
由于生物柴油的原料都是来自与植物，而植物本身就会转化为二氧化碳，所以这样的话使用生物燃料的碳排放相对来讲比使用化石燃料的碳排放要小。
Because biodiesels can be made from materials derived from plants, which use carbon dioxide to grow, they potentially have a much lower carbon footprint than petroleum-based fuels.
在这项最新的发表在PNAS上的研究中，科学家仔细考察了一块奇特的化石标本“小盗龙”（mircoraptor），这块化石上的四肢全部都有羽毛，有点类似两栖飞机（bi-plane）。
In the newest PNAS study, scientists examined a remarkable fossil specimen that had feathers on all four limbs, somewhat resembling a bi-plane.
这种小恐龙称为伊氏西爪龙，它的化石是于1982年在加拿大阿尔伯塔省约7500万年前恐龙公园组地层中被挖掘出来的，但之后的25年中一直未加以研究。
The remains of the diminutive dinosaur, called Hesperonychus, were excavated at the 75m-year-old Dinosaur Park Formation site in Alberta in 1982, but had lain unstudied for 25 years.
这么小的动物很难形成良好的化石，这就是为什么过去我们对这一阶段的进化过程知之甚少的原因。
Animals this small do not fossilize well, which is why this stage of the distant evolutionary past is so little known.
采用小尺度箱体及液化石油气模拟室内燃气泄漏的条件，通过电火花点火，实验研究了在燃气泄漏过程中的着火与火焰蔓延的现象与规律。
Using little scale trunk and LPG to simulate the condition of indoor flammable gas leakage, an experimental study was performed on the fire and flame spread ignited by electric sparkle.
目前的计划往往要考虑分散的小电网供电由化石燃料的建立。
Current plans tend to consider the establishment of decentralized mini-grids powered by fossil fuels.
我在纽约博物馆中见过象鸟蛋的化石，比一张小茶几的几面还大些。
The egg is larger than an ostrich's egg by 6 times. I saw an egg at New York Museum that was cast in stone.
我在纽约博物馆中见过象鸟蛋的化石，比一张小茶几的几面还大些。
The egg is larger than an ostrich's egg by 6 times. I saw an egg at New York Museum that was cast in stone.
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