大多数作物，威尔科夫博士猜测，有多个授粉品种，因此可能存在着一个授粉者被另一个所取代的余地。
Most crops, Dr Wilcove suspects, are pollinated by multiple species, and so there might be room for one pollinator to be replaced by another.
据科奈尔环境保护科学家杰夫。威尔斯说，驯鹿也间接支持整个森林的防护，轮流帮助对抗气候变化。
They can also indirectly support the preservation of entire forests, which in turn helps to combat climate change, according to Cornell University conservation scientist Jeff Wells.
NASA电视台将在4月4日凌晨1点开始对斯克沃尔佐夫、考德威尔.戴森和科尔尼杨科与空间站的对接进行直播。
On April 4, coverage of the docking of Skvortsov, Caldwell Dyson and Kornienko will begin on NASA Television at 1 a.m.
休斯敦——本周五，联盟号宇宙飞船成功地将NASA宇航员特蕾西·考德威尔·戴森、俄罗斯宇航员亚历山大。斯克沃尔·佐夫以及米哈伊尔。科尔尼杨科送上国际空间站。
HOUSTON — NASA astronaut Tracy Caldwell Dyson and Russian cosmonauts Alexander Skvortsov and Mikhail Kornienko safely launched to the International space Station aboard a Soyuz spacecraft on Friday.
随后，莱夫·科夫斯基同他在法学院结识的朋友布拉德•基威尔一起，买下了一家威斯康辛州的公司，名为布兰顿服装公司(Brandon ApparelGroup)。
Then, with a friend he'd met in law school, Brad Keywell, Lefkofsky bought a Wisconsin company called Brandon Apparel Group.
随后，莱夫·科夫斯基同他在法学院结识的朋友布拉德•基威尔一起，买下了一家威斯康辛州的公司，名为布兰顿服装公司(Brandon ApparelGroup)。
Then, with a friend he'd met in law school, Brad Keywell, Lefkofsky bought a Wisconsin company called Brandon Apparel Group.
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