Dora
abbr. 运筹学与分析局（Directorate of Operational and Analysis）
✅ 同义词
🗣️ 情景例句
Is everything all right?
一切都好吗？
He is unworthy to live who lives only for himself.
为己而生，生而可耻。
Yes, I washed before breakfast.
洗了，我早饭前洗了脸。