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1·In addition, he and his colleagues used tree-ring records from other species of trees to reconstruct the region's past climate.

此外，他和他的同事利用其他种类树木的年轮记录重构了此地区过去的气候情况。

2·When a female copper butterfly folds her wings, it sends the same message to males of her species that a wedding ring on a woman's finger says to males of our species: Move on, fellas.

当一只雌性铜色蝶合起她的双翅，她对前来的雄性蝴蝶们表达的意思就像一个女人手指上的婚戒传达给男人的意思一样，那就是说：“走吧，小伙子。”

3·Unlike its relative the ring-necked parakeet, which is the UK's only naturalised parrot, the doomed species builds huge communal nests.

不像它的同类环颈鹦鹉，英国唯一的本土鹦鹉，这种鹦鹉天生喜欢建造巨大的公共巢穴。

4·Pharmaceutical Intermediates species: Sodium Cyanate, Potassium Cyanate, Subsalt of Heat Treatment, the Main Ring of Promethazine Hydrochloride, Promethazine Hydrochloride Side Chain.

医药中间体种类：氰酸钠、氰酸钾、热处置基盐、盐酸异丙嗪主环、盐酸异丙嗪侧链。

5·Three other RBC's in this smear are also infected with a ring trophozoite. At the far left is a gametocyte of this species.

涂片上另外三个红细胞也被环状滋养体感染，在左边远处为配子体。

6·This paper makes a survey on the color-leafed plants species and landscape application in botanical gardens, parks, main roads, universities and squares within the fifth ring road of Beijing.

对北京市区五环内主要的植物园、公园、城市主干道、高校及广场的彩叶植物种类及其在园林中的应用进行了调查和分析。

7·In Hawaii, for example, a new pest-resistant species of papaya tree has been developed in response to ring-spot virus infections that have repeatedly damaged the native papaya-tree population.

比如，在夏威夷有一种新的抗虫害的番木瓜树。这种树可以抵抗环斑病毒的感染，而正是这种环斑病毒常常会降低当地番木瓜树的数量。

8·Yingying is an agile Tibetan antelope coming from Northwest China. Tibet antelope is the rare and endangered species. Yingying represents the yellow ring and the athletics sports.

迎迎是一只机灵的藏羚羊，来自中国西北，是濒危国家保护动物。他是五环中的黄环，代表田径项目。

9·Bright and transparent, crystal smooth, transparent, glass species, emerald green, jade ring surface high-grade, two little difference in size!

明亮通透，晶莹光滑，透明，玻璃种，翠绿色，高档翡翠戒面，2颗的大小有点差别！

10·At least three other parakeet species have established feral breeding colonies: the most numerous is the ring-necked parakeet, now common in many London parks and suburbs.

数量最大的是现在常见于伦敦很多公园和郊区的环颈鹦鹉。