单词学习：observationally 副词
observationally
/ˌɒbzəˈveɪʃənəli/
adv. 通过观察地；观测上地
Observationally, Gu Laoshi confirmed that the students' behavior improved after the new rules were implemented.
通过观察，顾老师确认新规实施后学生的行为有所改善。
单词卡片
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