这是一种简单的适应方式，能确保它们在冬季过后发芽，而不是在此之前就早早发芽。
This is a simple adaptation to ensure that germination occurs following the winter conditions rather than immediately prior to their onset.
北极燕鸥是真正的长途迁徙者，它们在北欧沿海湿地筑巢，但会向南飞行数千英里，在南极洲度过欧洲的冬季。
Arctic terns, being true long-distance migrants, they nest in coastal wetlands of northern Europe but fly south for thousands of miles to spend the European winters in Antarctica.
冬季六边形包括一些可见的最亮的恒星，它们在地球北半球的冬季天空中形成了一个大而容易辨认的图案。
The Winter Hexagon involves some of the brightest stars visible, forming a large and easily found pattern in the winter sky of Earth's northern hemisphere.
不过《当代生物学》杂志上的一项研究却表明，在冬季向鸟类投食可能会影响到它们的进化进程。
But a study in the journal Current Biology suggests that feeding birds in winter can influence their course of evolution.
瑞典哈拉市外的驯鹿在冬季牧地上步履艰难地穿过深深的雪地而找到它们的食物。
The reindeer trudge through deep snow to find food in their winter grazing grounds outside Harrå, Sweden.
美洲狮能够在一年中的任何时候繁殖后代，但它们通常在冬季时会放慢这方面的速度，但由于暖冬的悄然降临，今年我们会比以往提早两个月见到小美洲狮。
Pumas can breed all year but usually in winter they slow down -- this year because of the warm weather we will see Puma 'kittens' two months early, " Kozlov said.
这样，它们渐渐和那些到了冬季往南飞的黑头莺们在外表上出现差异，它们的鸟喙显得更狭长，这种形状的鸟喙在啄食西班牙的橄榄时可是大大不便。
So they're starting to look different from the birds that go south. Their beaks are longer and narrower, less suited to supping on Spanish olives.
它们的羽毛在冬季也要增加30%，它们把羽毛蓬松开，来保留住一层温暖的空气。
They also have 30 percent more feathers in the winter and can fluff them up, trapping a layer of warm air.
这些皮肤可以被玩家在储物柜里找到，但仅仅能在冬季盛会活动中使用，所以尽情享受它们吧！
These skins can be accessed in players' item collections, but will only be around for the duration of the Winter's Feast seasonal event - so enjoy them while you can!
通常它们只是在冬季才会短暂分开。
研究者们也还不能确定为什么这些病毒在夏季看起来就像绝迹了一样，又是什么在触发了它们在冬季复活？
The researchers are also not sure why the virus seems to die out during summer and what exactly triggers its return.
它们被用来作为热电联产在冬季和夏季冷却器。
They can be used as CHP in the winter and as coolers in summers.
Mila最近为他们的冬季旅行购买了一包枸杞果，发现它们有助于她的身体度过在漫长飞机旅程中的损耗。
Mila recently purchased a bag of goji berries for their winter travels and found them useful to assist her body in the wear and tear of lengthy air travel.
强电流通过后使它们变热，所以我们在冬季可用电炉取暖。
A large current flows through them makes them hot. So we can use electric fires in winter to keep us warm.
强电流通过后使它们变热，所以我们在冬季可用电炉取暖。
A large current flows through them makes them hot. So we can use electric fires in winter to keep us warm.
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