Still, Krech attributes secondary if not primary responsibility for the extinctions to the Paleoindians, arguing that humans have produced local extinctions elsewhere.

克雷奇仍然认为古印度安人在灭绝上的责任即使不是主要的，也是次要的，他认为人类在其他地方造成了当地物种灭绝。

youdao

A particular concern is the association of humans with food; food conditioning could result in nuisance bears being killed for the safety concerns of the local residents.

特别注意的是人类的食品供应，食物调控可能导致多余的熊出于对当地居民的安全考虑而被杀。

youdao

If humans are ever going to establish any sort of base on the moon, it'll be a lot easier with a local source of water; the stuff is, after all, awfully heavy to lug all the way from Earth.

如果人类想在月球上建立任何程度的基地，当地有水源的话会容易得多，毕竟从地球运水会重得让你吃不消。

youdao

Early tests suggest 2-heptanone may also find a role in humans as a local anaesthetic.

BBC: Honey-bees found to have bite that stuns

Conservationists are pushing government and park officials to ensure animals, humans and the local environment are better protected.

CNN: The Gathering: Sri Lanka's great elephant migration

Institutional Review Boards, the local bodies that check research on humans and are the main overseers of such research, are swamped with work, sometimes examining hundreds of proposals a year.

ECONOMIST: Don��t let it happen again