| 单词 | 活跃期 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔AGE〕Elephants do not become sexually active until they are fifteen to eighteen years of age. 大象大概在15至18岁时开始进入性活跃期。朗文写作活用〔active〕It is important to educate children before they become sexually active.在孩子们进入性活跃期之前对他们进行有关教育很重要。剑桥高阶〔metestrus〕The period of sexual inactivity that follows estrus.后情期：动情后的性不活跃期美国传统〔trophozoite〕A protozoan, especially of the class Sporozoa, in the active stage of its life cycle.营养子，滋养子，营养体：尤指孢子纲的处于其生命周期活跃期的原生动物美国传统August is a fallow period in British politics.八月是英国政治的不活跃期。剑桥国际 |
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