Crabtree dffect
[机] 克雷树效应
🧩 词语组成解析
n. 瑰柏翠（专门制造香皂的家庭企业）
🗣️ 情景例句
about your math teacher or your math homework.
你的数学老师或你的数学作业。
Give me a discount!
打个折吧！
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。