Molecular biologists, however, reckoned 5 m years a better estimate.

Biologists are looking into the structure of the molecules that comprise our genes.

生物学家正在寻找构成我们基因的那些分子的结构.

Some biologists have suggested the " founders theory " as a solution to the puzzle.

有些物理学家已提出所谓 “ 定居者理论 ” 作为对这个疑谜的解说.

For these reasons, many evolutionary biologists and paleontologists wonder if there is more to the story.

正因为这个缘故, 不少拥护进化论的生物学家和古生物学家怀疑其中是否另有文章.

Now, molecular biologists have a technique that permits them to put together genes from different organisms.

目前, 分子生物学家已有一种技术使他们能把来自不同有机体的基因联在一起.

Biologists now wonder how many traits of living and fossil organisms have evolved in this way.

生物学家目前正在捉摸,在现有生物和过去生物的各种特征中有多少特征是由上面所说的这种方式演变而来的.

These days, molecular biologists are anything but smug.

现在, 分子生物学家们是无论如何也不安于现状了.

This word added zest to a new group of biologists.

这一词使一大批生物界后起之秀兴趣倍增.

No longer can biologists be content simply to study morphology.

生物学家不再满足于简单地研究形态学.

This is one form of a process that biologists call genetic drift.

这是生物学家称之为遗传偏移的一种方式.

Biologists need to compare xerophyte and hydrophyte

生物学家需要对比旱生植物和水生植物。

The two biologists found, to their surprise, that both groups of birds survived equally well.

这两位生物学家惊奇地发现，两组鸟都很好地存活了下来。

This substance has now been cloned by molecular biologists.

该物质现在已被分子生物学家克隆。

This reset their body clocks as if they'd taken a six-hour plane trip to the east.

这样可以模拟出向东飞行6小时,机体生物钟的调整状况.

Dark night give me black eyes, but I welcome brightness with nostril.

不见不散:黑夜给了我黑色的眼睛, 我却用鼻孔迎接光明.

Baby cockatoos will have black eyes and soft, almost flexible beaks.

雏鸟凤头鹦鹉黑色的眼睛是柔和的, 嘴几乎是灵活的.

He had a broad Greek nose and olive black eyes that blazed with intelligence.

他长着一只宽大的希腊种鼻子,一双深橄榄绿的眼睛闪烁着智慧的光芒.

He saw the dead black eyes of the general on him, studying him.

他发现将军一双黑色的眼睛死死地盯着他, 打量着他.

All that was Irish in her rose to the challenge of his black eyes.

她自己心中全部的爱尔兰品质都被鼓动起来迎接他那双黑眼睛的挑战了.

His fluid black eyes were bewildered.

他泪汪汪的黑眼睛迷惑忧伤.

His black eyes flashed an undying hate.

他那对黑眼睛闪耀着永远的仇恨.