Requisiteness
n. requisite的变形
🗣️ 情景例句
Food is necessary to maintain life.
食物是维持生命所必须的。
A good marksman may miss.
智者千虑，必有一失。
The number of wagging dances per minute told the exact distance to the feeding place.
每分钟跳摇摆舞的次数说明了到喂食点的精确距离。