| 单词 | 生命循环 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔alternate host〕One of two species of host on which some pathogens, such as certain rust fungi, must develop to complete their life cycles.交替宿主：两种宿主中的一种，某些病原体，如锈真菌要在宿主中生存并结束生命循环美国传统〔haplont〕An organism that is haploid throughout its life cycle except as a zygote, when it is diploid, as in many algae and fungi.单元体：一种在其整个生命循环过程中保持单倍体，而只有在海藻或真菌中作为合子才呈现二倍体状态的生物组织美国传统〔hydroid〕Any of numerous characteristically colonial hydrozoan coelenterates having a polyp rather than a medusoid form as the dominant stage of the life cycle.水螅虫：许多典型的移居的腔肠动物中水螅虫类的任何一种，在生命循环中最重要阶段以水螅的形状而不是水母的形状出现美国传统〔hydroid〕The asexual polyp in the life cycle of a hydrozoan.水螅虫类：生命循环中的无性生殖水螅虫美国传统〔hydromedusa〕A hydrozoan in the medusoid stage of its life cycle.水母：一只在生命循环期间处于水母阶段的水螅虫美国传统〔incomplete metamorphosis〕A life cycle of certain insects, such as crickets and grasshoppers, characterized by the absence of a pupal stage between the immature and adult stages.不完全蜕变：蟋蟀、草蜢等昆虫的生命循环，以缺少幼年期和成年期之间的蛹期为特色美国传统〔merozoite〕A protozoan cell that arises from the schizogony of a parent sporozoan and may enter either the asexual or sexual phase of the life cycle.裂殖子：亲本孢子虫通过裂殖法产生的原生动物细胞，能开拓新的无性或有性生命循环美国传统〔pleomorphism〕Biology The occurrence of two or more structural forms during a life cycle, especially of certain plants.【生物学】 多型现象：一个生命循环中两个或多个结构形态的现象，尤指某些植物美国传统 |
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