A mathematician is a person who is trained in the study of numbers and calculations.
例句
The risks can be so complex that banks hire mathematicians to puzzle them out.由于風險過高，銀行便聘請數學家來解決這些問題。
N-COUNT
善于計算的人;有數學頭腦的人
A mathematician is a person who is good at doing calculations and using numbers.
例句
I'm not a very good mathematician.我不太擅長計算。
英漢詞典釋義
n.
數學家
one of the greatest mathematicians of all time有史以來最偉大的數學家之一No mathematician is infallible;he may make mistakes,but he must not hedge.沒有一位數學家是一貫正確的;他可能會犯錯誤,但他絕不會回避任何一個問題。