butterfly fastener的用法和樣例：
例句
- Easter service, with the symbolic butterfly decorations, was lovely in Floyd's church.
復活節儀式，蝶形符號，在弗洛伊德教堂中很有趣。 - Butterfly style design not only satisfied the request of lighting and aeration, but also enriched the sculpture of stereograph.
蝶形的平面設計即滿(mǎn)足了采光通風(fēng)的要求，又豐富了立面造型。
