butterfly/'bʌtəflaɪ $ -tər-/

n.

➊ a type of insect with large often brightly coloured wings

➋ [the ~] a way of swimming

n. 〖复-flies/-flaɪz/〗

➊ [C] 蝴蝶：The beautiful flowers attract many butterflies. 漂亮的花吸引了很多蝴蝶。

➋ [the ~] [U] 蝶泳：She was second in the 200 m butterfly. 她在200米蝶泳比赛中获第二名。

构词butter + fly →黄油色的飞虫