以下幾句的英文該怎麼說啊
(1)兩兩相切的三個圓
(2)四邊形對邊中點連線
(3)逼近程度達99%

回應

1.Three circles touch each other external(or internal).
2. The line drawn throught the midpoint of the opposite sides of a quadrilateral.
3. ?