Complex variables
[电] 复变量
🧩 词语组成解析
n. 变量
🗣️ 情景例句
No, it's an original. My father's friend is a calligrapher, and I had him make it for you.
没错，这可是真迹。我父亲的朋友是书法家，专门帮你写的。
It's windy this afternoon.
今天下午起风。
Last spring my wife suggested that I call in a man to look at our lawn mower.
今年春天，妻子让我请人检查一下我家的割草机。