in prime condition短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 🌏首要任务 They are kept in the hands of professionals for three or four days to ensure that the chrysalises hatch properly and the butterflies are in prime condition for the wedding day. 蝶蛹需交由专人看管三四天，以确保正常孵化，因为这些蝴蝶也是婚礼当日不可或缺的角色。 edu.sina.com.cn