ExMind ExMind
首页 帮助
打开 App
    首页/CEFR/C1/Vocabulary/US/observation ·noun
o

observation ·noun (REMARK)

Definition: a remark about something that you have noticed Level: C1

在 App 中打开

© 2026 ExMind. 英语学习,每天进步一点点。

Hangzhou Yigesi Network Technology Co., Ltd.