The origins of some words are unknown.

这些词是不知。

Darwin generalized from many facts to reach his idea about the origin of man.

达尔文对许多事实加以归纳, 得出了他对于人类观点。

A new theory of the origin of language is the most prominent feature of the book.

关于语新理论是这本书显著一个特点。

She embarked on a discourse about the town's origins.

她开始讲本市。

The custom of gift-giving on Christmas began with the Roman festivals of Saturnalia and Kalends.

圣诞节赠送礼物风俗于罗马神农节和朔日节。

Scientists speculate on the origin of the universe.

科学家们猜测宇宙。

Italian and Spanish are kindred languages.

意大利和西班牙语是相同。

We cannot yet satisfactorily explain the genesis of the universe.

我们仍不能令人满意地解释宇宙。

Sardinia's origins are lost in the mists of time .

撒丁王国已湮没在时间迷雾中。

The chief of these questions respect the origin of exogamy and of endogamy.

这些问题中最首要同外婚制和内婚制有关。

Lateral root Any ROOT that arises from the PERICYCLE of another root.

于根中柱鞘根。

The Appaloosa was named by French trappers for the Palouse River in neighboring southeast Washington.

这些紧张不是交叉品种。名字于不同种族或种族酋长。

On Paphiopedilum malipoense sp. nov.-- an intermediate form between Paphiopedilum and Cypripedium, with a discussion on the origin of the genus.

麻栗坡兜兰 -- 兜兰属与杓兰属一个中间类型，兼论兜兰属地理问题.

4 Turbellarians are monoecious with the reproductive systems adapted for internal fertilization. And the monogenetic flukes (class Monogenea) are mostly ectoparasites of fishes.

涡虫是雌雄同体，生殖系统适于体内受精。单吸虫（单殖纲）大多是鱼外寄生虫。

K.).The thesis title is: The "Foreignness" of the Foreign Woman in Proverbs 1-9: A Study of the Origin and Development of a Biblical Motif.

她论文题目是──箴一至九章�外女之她[外族]身份：探讨一个圣经主题及发展。

After studying the mental mechanism of language source and evolution through exploring the "past" of anthropogenesis and its development, we can grasp the process of language evolution.

只有通过对人类及发展“过去”寻根究底，来探究语与进化心理机制，才能把握语进化历程。

"This is important research because it supports the out-of-Africa theory about the origin of modern humans," said Ranjan Deka, a population genetics researcher at the University of Cincinnati.

“这是个重要研究成果，因为它支持了有关现代人类“非洲说””，辛辛那提大学人类遗传学研究员Ranjan Deka说。