Uncertain region
[计] 不确定区
🧩 词语组成解析
🗣️ 情景例句
Speaking of school, how are your grades this term?
谈到学业，你这学期的成绩如何？
He went pale at the news.
听到消息，他脸色发白。
He was still smiling when the door opened and his wife came in.
他正笑着的时候门开了，他的妻子走了进来。