___born for every 100 females,___at the age of maturity,___among 70-year-olds___as many women as men. “出生时男女比例大约为105∶100,但是到了成熟期,这种比例下降几乎达到平衡;在70岁的老人中女性比男性多一倍”。这句话是拿男性和女性在不同时期的数量做比较,注意其中用了几种不同的表达法:...
___for every 100 females,___to near balance at the age of maturity, and among 70-year-olds___many women as men. 【分析】这个句子的主干是三个并列句,分别由but和and连接,前两个句子之间是转折关系,最后的句子中有一个as…as…结构表示的比较。 【译文】出生时男女比例大约...
句子 There are about 105 males born for every 100 females, but this ratio drops to near balance at the age of maturity, and among 70-year-olds there are twice as many women as men. 问题 句子分析(俗称“长难句分析”)是训练提高基础阅读能力的有效手段。我们通过对托福(TOEFL)、雅思(IELTS)、...
Age at sexual maturity among male polar bears ( Ursus maritimus ) and timing of the mating season were studied by microscopic and macroscopic analysis of the reproductive organs from 165 male and 92 female Greenland polar bears. Males became sexually mature in the spring following their fifth bir...
Lockyer C. The age at sexual maturity in fin whales off Iceland. Rep Int Whal Commn 1981;31:389-393.Lockyer, C. (1981) The Age at Sexual Maturity in Fin Whales off Iceland. Report of the International Whaling Commission, 31, 389-393....
It was observed that there was variability in the onset of sexual maturity. When the population was divided into early and late maturing fish, it was found that at 15 months of age, 100 per cent of the late maturing and 34 per cent of the early maturing fish were alive. While the ...
at the age of adv.在...岁 相似单词 maturity n. 1.成熟;成熟期;发育完全 2.(金融)到期 3.(人或动植物)成熟;成年;完全长成 4.(保险单等)到期(应付款) sexual a. 1.性的,性别的 2.性行为的,两性的 age 费用;动作;地位 AGE =Aerospace Ground Equipment 航天地面设备 age n. 1.年龄,年...
The corresponding ages for T. confusum (Jacquelin du Val) are 17 to 20, and 114 to 126 hours, respectively. The differences between the two species are more pronounced when the ages at which 50% of females reach sexual maturity are considered. The relationship of the results to the ...
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lossataveryyoungage. 1 Stressisastateofmentaloremotionalfatigue(疲劳). 2 Thisisthereasonwhywefailto rememberorlearnnewthingswhenwearementallystressed.Topreventstress-relatedlossof memoryandlearningability,onehastofindthefactorsthatincreasestressandanxietyanddeal withthem. Ifyouexerciseonaregularbasis,yourbodywi...