Assuredness
n. 确实, 确信, 自信
✅ 同义词
🗣️ 情景例句
Thanks, Ellen.
谢谢，Ellen。
I'd like to travel first-class.
我要头等舱。
Then he sits and barks until someone lets him out.
这之后他就坐下汪汪叫起来，直到有人来把它放出去。