Stratifications
(stratification 的复数) n. 层化, 阶层的形成, 成层\\n[医] 分层
🗣️ 情景例句
Yes, they are. We're still expanding.
是的，我们还要扩建。
Baby
婴儿，宝贝
Thank you. Lucy and Lily, come here, please.
谢谢你，露茜和莉莉，请过来吧！