During a tropical year the sun moves from Vernal Equinox to Vernal Equinox.
在一个回归年内，太阳从春分点转回到春分点。
This paper advocates that the six states of the dragon described in the hexagram of Qian are six celestial phenomena of the star of the green dragon in a tropical year.
本文认为乾卦六爻爻辞所说的“六龙”各种状态是苍龙星在一个回归年中所运动的不同天象。
Cuba has a tropical climate with year-round sunshine.
古巴属于热带气候，终年阳光明媚。
This magical plant is actually a tropical variety that looks quite gangly and unimpressive for 364 days of the year.
这种神奇的植物实际上是一种热带植物的变种。在一年的364天里，它看来身材瘦长，很不起眼。
La Nina is a natural 3-6-year cycle, and the cold stretch of a periodic thermal oscillation in ocean surface temperatures that occurs throughout the tropical Pacific.
拉尼娜每隔3到6年发生一次，太平洋热带地区海水温度会随之发生周期性的异常变冷。
CO2 emissions from tropical deforestation have decreased over the past year, and regrowth of forest in temperate latitudes has even created a small net sink of CO2 outside of the tropics.
因热带森林砍伐导致二氧化碳排放量在过去的一年里有所下降，而且温带地区的森林再生甚至已经在热带以外创造一个小的二氧化碳净汇池。
The year before, on assignment for this magazine, I had spent a month in the tropical Pacific with the largest remnant population of blue whales (see "Still blue," March 2009).
前年，受国家地理杂志的委派，我在太平洋热带地区与现存的最大的一个蓝鲸族群共渡了一个月的时光(参见《国家地理》2009年三月号文章《StillBlue》)。
The report explained that 2008 was the coolest year of the decade in the southern hemisphere due to a strong La Nina phenomenon, which cooled the tropical Pacific Ocean below average temperatures.
2008年则是10年来南半球最冷的一年，这是由于强拉尼娜现象造成的。 拉尼娜现象使得热带太平洋温度低于平均值。
The world's largest tropical forest, the Amazon, experienced something rare last year - a drought.
世界最大的热带雨林——亚马逊热带雨林，去年遭受了一场少有的干旱。
Tropical Storm Lionrock, the 6th this year, is forecast to approach eastern Guangdong and may make a landfall there or in southern Fujian.
今年第6号热带风暴“狮子山”正在逐渐靠近粤东沿海，并有可能在粤东到闽南沿海地区登陆。
A tropical forest, often near peaks of coastal mountains, that usually has constant cloud cover throughout the year.
一种热带森林，通常接近海岸山脉的顶峰，常常终年连续有云覆盖。
Seasonal drought takes place every year in tropical countries where there is only a rainy and a dry season.
季节性旱灾每年发生在只有雨季和旱季的热带国家。
The representative area of dry and hot valley of Jinsha River in Yunnan Province has a temperature condition of the northern tropical zone and a long dry season of more than half a year.
云南金沙江干热河谷典型区具有北热带温度条件和长达半年以上的干季时间，生态系统具有破坏容易恢复难的特点。
During our work in Africa, 355 cases of tropical tuberculosis among black patients, their common character and short-course regimen were observed within a half year.
在非洲医疗工作期间半年内观察了355例热带黑人结核病患者的一般特征和短程疗法。
When to go: Thanks to its idyllic tropical setting, Hawaii is a popular destination year-round.
何时去：由于它有着田园诗般的热带风情，夏威夷是一个全年都热门的目的。
The Amazon generates and pumps into the atmosphere some 8 trillion tonnes of water a year, feeding into an aerial belt of water vapour that connects tropical forests across the globe.
亚马逊河每年产生并输入大气层中的水分达8万亿吨左右，形成一条连起世界各地热带雨林的空中汽带。
Influenza is a year-round event in the tropics. If the tropical airmass around the Earth's equator expands, as new areas lose their seasons they may also begin to see influenza year-round.
在热带地区，一整年都是流感好发季节，倘若赤道附近的热带性气团向两极扩张，一些季节错乱的地区便可能发觉流感疫期已稍稍延长。
Foshan mild climate and abundant rainfall, year-round spring, which is sub-tropical humid monsoon climate, has always been a fertile land of fish and rice.
佛山气候温和，雨量充足，四季如春，属亚热带季风性湿润气候，自古就是富饶的鱼米之乡。
Foshan mild climate and abundant rainfall, year-round spring, which is sub-tropical humid monsoon climate, has always been a fertile land of fish and rice.
佛山气候温和，雨量充足，四季如春，属亚热带季风性湿润气候，自古就是富饶的鱼米之乡。
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