你必须一口气吹灭蜡烛You must blow off the candle with one blow.You must be a blow out the candles.Mark blew out all the candles on the cake just now.You must blew the candle in one breath.
你好!sweep 英[swi:p] 美[swip] vt. 扫除; 打扫,清理; 彻底搜索; 掠过; vi. 打扫; 扫过; 蜿蜒; 大范围伸展; n. 打扫; 延伸; 挥动; 全胜; [例句]The owner of the store was sweeping his floor when I walked in我进去的时候这家商店的店主正在扫地。