15点23分可读作：fifteen twenty-three :twenty-three past fifteen(英式说法)；twenty-three after fifteen(美式说法)
注：在用英语表达时间时,可以直接将两个数字分别读出来即可.英语中时间的表达方法主要有直接法和借用介词法等这是最简便,最明了的方法.
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(1)直接法.
上午十点Ten AM (a.m.)〔ei em〕
下午十点Ten PM (p.m.)〔pi:em〕
八点八分Eight eight
(2)借用介词法.
八点四十五a quarter to nine
七点零五分five past seven
(注：15点23分可读作：fifteen twenty-three :twenty-three past fifteen(英式说法)；twenty-three after fifteen(美式说法)
1点15可读作：one fifteen; a quarter past one(英式说法):a quarter after one(美英说法)
8点50分可读作：eight fifty; ten to nine(英式说法)；ten before nine(美式说法)
1点40分可读作：one forty; twenty to two(英式说法)；twenty before two(美式说法)
“提前半小时”可用：half an hour early; thirty minutes early; early by half an hour; half an hour ahead of time; half an hour ahead of schedule等来表示.)
Hope it can help you a lot,thank you!
