“四”用英语怎么说？

等蛋糕温热或凉至室温时切成四方块端上桌。Serve the cake warm or at room temperature, cut in squares.过去的这四年里他们吃了不少苦。These last four years have been hard on them.每人可购买的票的限额已经由四张降至两张。The quota of four tickets per person had been reduced to two....

“四”的拼音为：sì...