几乎有一半在英国繁殖的鸟类要冬徙，有时飞越的距离相当惊人。
Almost half of the bird species that breed in Britain leave for the winter, sometimes travelling prodigious distances.
可以远距离飞越、威胁远离原生地数百公里或数千公里之外的作物的蝗虫和其它迁移性虫害亦是如此。
The same is true for locusts and other migratory pests that can fly over great distances and threaten crops hundreds or thousands of kilometres away from their places of origin.
这就是“司琴”，一颗直径约100公里的小行星。今年七月，欧洲太空总署发射的航天器——罗塞塔号近距离飞越了这颗星。
This is Lutetia, a 100km-long asteroid visited in July by the European Space Agency’s craft Rosetta.
朱诺号还会在木星进行至少36次近距离飞越，这给了科学家们更多的时间去探索这颗巨星上一切的奇景和秘境。
Juno still has 36 more flybys of Jupiter, giving scientists more time to explore the wonders and mysteries of the giant planet.
既然我们知道了冥王星系统中还有一颗卫星，我们就可以在飞越那儿时好好规划一下距离观察。
Now that we know there's another moon in the Pluto system, we can plan close-up observations of it during our flyby.
俄罗斯军机本周两天近距离飞越波罗的海的一艘美国驱逐舰并进行模拟攻击飞行，美国对此表示关注。
The U. S. expressed concern over Russian military aircraft flying apparent simulated attack passes near a U. S. destroyer in the Baltic Sea over the course of two days this week.
俄罗斯军机本周两天近距离飞越波罗的海的一艘美国驱逐舰并进行模拟攻击飞行，美国对此表示关注。
The U. S. expressed concern over Russian military aircraft flying apparent simulated attack passes near a U. S. destroyer in the Baltic Sea over the course of two days this week.
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