Statistical hypothesis
[计] 统计假设
🧩 词语组成解析
🗣️ 情景例句
Involve the entire family in a reading project.
让整个家庭都参与阅读计划。
Steel ball
钢珠
Many of them have to wait six months for their goods.
许多顾客不得不等上半年才得到所需的商品。