冬季

Adult winter Vega Gull with Heuglin's Gulls : This species is usually very dirty headed in winter, the head streaks often being present into April.

织女银鸥在冬季头部常看起来脏兮兮的，头部纵纹一般可持续到四月份。

Adult winter Heuglin's Gull: Note dark saddle, head streaking typically restricted to nape and "collar", bright yellow legs (which usually become a much duller yellow mid-winter) and old primaries lacking white tips.

灰林银鸥成鸟冬羽：注意其鞍部羽色暗灰、头部纵纹一般仅限於后颈及领部、脚鲜黄色(在冬季中期会变得较暗黄色)、而且初级飞羽旧羽没有白色羽尖。

It was the second day of our winter holiday.

这是我们的冬季假期的第二天。

Both the Summer and Winter Olympics are held every four years.

夏季奥运会和冬季奥运会都是每四年举行一次。

Both Summer and Winter Olympics are held every four years .

夏季奥运会和冬季奥运会都是每四年举行一次。

As of 2006, the Winter Olympics were competed in 84 events in 7 sports.

截至2006年，冬季奥运会的竞争，在84个体育事件的7。

1936 Marked the last year that the Summer and Winter Olympics were held in the same country.

这也是最后一次同一届的夏季以及冬季奥运会在同一个国家举行。

Until 1992, both Summer and Winter Olympics were held in the same year.

直到1992年，无论在夏季和冬季奥运会举行了在同一年。

Now we wait for another 553 days until the winter olympics open in Canada!!

现在我们在等553天后的加拿大冬季奥运会。

They then became part of the Winter Olympics.

它们随后成为了冬季奥运会的竞赛项目。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。