Stratifications
(stratification 的复数) n. 层化, 阶层的形成, 成层\\n[医] 分层
🗣️ 情景例句
My favorite hobby is coin collecting.
我最大的爱好是收集硬币。
Can I reconfirm by phone?
我可以用电话确认吗？
On that day everyone eats mooncakes.
过节那天大家都吃月饼。