n. 到达本垒前突突然转向的球 flutterballs: [网络] 飘飘 flutteration: [网络] 颤抖 flutterbies: What a butterfly does... ; > Did you see that butterfly flutterby? ; flutterable: [网络] 飘飘飘扬 flutterboard: n. (游泳)打水板,打腿练习板 下载手机词典可随时随地查词查翻译