8点50分用英文怎么说三种

"eight fifty"
来源: 直接把数字转化为英文即可
例句: "I'll meet you at eight fifty." (我会在8点50分见到你。)

"eight-fifty"
来源: 把数字和单词连写
例句: "The train leaves at eight-fifty." (火车8点50分离站。)

"8:50"
来源: 小时和分钟之间用冒号隔开
例句: "Please be at the airport by 8:50." (请在8:50之前到达机场。)