Stratifications
(stratification 的复数) n. 层化, 阶层的形成, 成层\\n[医] 分层
🗣️ 情景例句
I just don't know what to say.
我真不知该说什么好。
It takes a bit of nerve to cross these chain bridges.
过这种铁锁桥需要有点胆量才行。
I do not want to make it a school for rich children only.
我不想把它办成专供有钱人家的儿童来上学的学校。