Researchers say that as spring begins, more than 90 percent of the sea ice in the Arctic is only 1 or 2 years old.
研究人员称，随着春季到来在北极的海冰超过90%部分只有1、2年的存在时间。
As the Sun crosses the celestial equator heading south, spring begins in the southern hemisphere and autumn in the north.
当太阳在天赤道上掉头向南的时候，南半球的春天开始而北半球则是秋天。
Now when they emerge in the spring from hibernation, the mating process begins.
现在，当它们从冬眠中醒来时，交配的过程就开始了。
Seasonal affective disorder—depression that begins during the winter months and lifts during spring and summer.
季节性情绪障碍——抑郁症开始于冬季，在春季和夏季就消退。
Spring is a fantastic time for birding as many seasonal migrants return and nesting season begins.
春季是观鸟的绝佳时候，因为很多季节性的候鸟飞回来了，鸟儿营巢的季节也开始了。
Their gathering serves as a prelude to the two-day spring meeting of the IMF and World Bank, which begins the next day.
这次会议是第二天召开的为期两天的国际货币基金组织和世界银行的春季会议的序幕。
There are four seasons in a year. Spring is the first season. In China springtime begins around March.
一年有四季。春季是第一个季节。在中国，春天大约从三月份开始。
Aries begins with the first day of spring (the northern hemisphere), the symbol of a new start of the new green shoot, showing new life and the earth thriving scene.
白羊座始于春季的第一天(北半球)，象征一个新的开始新生的绿芽，表现出大地新生和欣欣向荣的景象。
As March begins, does that mean it's officially spring for the northern hemisphere? Mark Thompson gives his astronomical opinion.
一到三月份，北半球春天就真的到了？马克。汤普森站在天文学的角度给出他不同的观点。
Everything begins to grow in spring, doesn't it?
春天万物开始生长，不是吗？
The tale begins with two letters written in early April by Hans Albert, begging his father to visit him and his brother Tete in Zurich for spring vacation.
故事开始于汉斯·阿伯特写给爱因斯坦的两封信件，他在信中恳求爱因斯坦能在春假之时去苏黎世看望他和他的弟弟蒂特。
When the green appears on the earth in spring, we know that everything begins to grow.
春天，当绿色出现在大地时，我们就知道一切都开始生长了。
The spring tern begins on monday of this week.
春学期在这星期的星期一开始。
In spring, almost everything comes back to life. The snow begins to melt, the trees sprout and the grass turns green.
春天，万物复苏，雪开始融化，树木开始发芽，小草开始变绿。
In spring, everything begins to grow. The weather gets warmer and warmer and the days get longer and longer. The leaves turn green. The children can fly kites.
在春天，万物复苏。天气变得越来越暖和，白天也变得越来越长了。树叶变绿了。孩子们可以放风筝。
Hundreds of millions of Chinese people are on journey as the Spring Festival travel season begins. Therefore, Chunyun has created enormous pressure on China's transportation sector.
春运期间，数以亿计的中国人都在旅途奔波，因此，它给中国的交通部门造成了巨大的压力。
Hundredss of millions of Chinese people are on journey as the Spring Festival travel season begins. Therefore, Chunyun has created enormous pressure on China's transportation sector.
春运期间，数以亿计的中国人都在旅途奔波，因此，它给中国的交通部门造成了巨大的压力。
Of the four seasons, I love Spring best. In Spring, the weather gets warmer and everything begins to grow rapily.
一年四季，我最爱春天。因为在春天里，气候变暖，万物复苏。
Everything begins to grow in spring, doesn't it?
春季万物开始生长，对不对？
Hundreds of millions of Chinese people are on journey as the Spring Festival travel season begins. Therefore, Chunyun has created enormous pressure on China's transportation sector.
春运期间，数以亿计的中国人都有在旅途奔波，因此，它给中国的交通部门造成了巨大的压力。
Hundreds of millions of Chinese people are on journey as the Spring Festival travel season begins. Therefore, Chunyun has created enormous pressure on China's transportation sector.
春运期间，数以亿计的中国人都有在旅途奔波，因此，它给中国的交通部门造成了巨大的压力。
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