Elementary operation
[计] 基本操作, 基本运算
🧩 词语组成解析
🗣️ 情景例句
He's upset over the fact that he wasn't promoted this year.
他对今年没有升迁感到恼怒。
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
He began his diet a week ago.
他是一星期前开始节食的。