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- It was a productive and fertile period. 这是一个硕果累累的时期。
- Can menstruation also defer be fertilized period? 月经推迟受精期也会推迟吗？
- Many methods carry health risks; barrier devices and avoidance of intercourse during the most fertile period are safest. 许多避孕方法会损害健康;最安全的方法包括使用阻隔式避孕器以及危险期推算法。
- Hormone analysis showed that the calling behaviour of copulating females was unrelated to their fertile period and likelihood of conception. 因此，嚎春可能是雌猩猩用以向高级别雄性展示自己的有效策略，在混淆其配偶的真实身份后，利于其在以后获得源自这些高阶层人物的支持。
- However, signs of proestrus are not obvious in some bitches.To catch the peak fertile period, a veterinarian may need to perform hormone tests or examine vaginal smears under a microscope. 然而，有的母犬发情前期的表征不是非常明显，难于准确掌握，因此，为了在最适合交配的时间进行配种，可能需要兽医进行激素量的检测或者是用显微镜检验阴道分泌物。
- The main fertilizing period was before flower bud differentiation and at alabastrum intumescence stage. 利用温度控制、水分控制和植物生长调节剂对火百合作矮化处理；
- There are fertile fields in the Nile Delta. 尼罗河三角洲土地肥沃。
- The plains of Alberta are extremely fertile. 艾伯塔平原极其肥沃。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Most chicken eggs are not fertile. 多数鸡蛋未受精。
- The high fat summer soybean Ludon 9 was applied as experimental material, various NPK ratios and fertilization period as treatment, effect of various fertilizations to yield and fat level was studied. 摘要以高油夏大豆鲁豆9号为试验材料，以N,P,K三要素不同配比和不同施肥期为处理，探讨N,P,K不同施肥方式对夏大豆产量和脂肪含量的影响，研究出有利于夏大豆高产、高油的施肥措施。
- The fields hereabout are fertile. 这一带的土地很肥沃。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- The country is barren, with here and there a fertile spot. 土地荒芜，只是偶尔有一两片沃土。
- Not fertile; unproductive or barren. 不肥沃的不肥沃的; 不生产的或贫瘠的
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
