It is noticed that oleanane triterpenoidal saponins are characteristic constituents of this family and have taxonomic significance.
结果表果烷型三萜皂甙作为木通科的特征化学成分在该科的统分类中具有一定的意义。
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But I do think that for many animals, especially animals that are close to us on the taxonomic tree of life, like chimpanzees and other large mammals, that being able to make your own choices is part of that flourishing.
但我认为,对于许多动物来说,特别是在生命分类树上和我们很接切动物,比如黑猩猩及其他大型哺乳类动物,那种茁壮成长其中一部分就是能够自己做选择。
One theory holds that, if Rhyniognatha was a flying insect, that would mean that the pterygotes -- the taxonomic group that includes flying insects -- first came about in the early Devonian, say, more than 400 million years ago.
一种理论认为, 如果鼻颚龙是一种飞行昆虫,那就意味着翼龙——包括飞行昆虫在内分类群——首先现于泥盆纪早期,比方说,4 亿多年前。