Obligational
a. obligation（义务, 责任）的变形
✅ 同义词
🔴 反义词
🗣️ 情景例句
Hello.... Hello, Alexandra. How are you? ... Fine.
好……Alexandra。你好吗 ……很好。
When the lights went out, I was washing my hair.
当熄灯的时候，我在洗头。
How did you find the fish, Madam?
你觉得鱼的味道怎么样，女士？