7点半 seven thirty 或 half past seven
7点45分 a quarter to eight 或 seven forty-five(很少用)
7点15分 seven fifteen 或 a quarter past seven
7点20分 seven twenty
7点半 seven thirty 或 half past seven
7点45分 a quarter to eight 或 seven forty-five(很少用)
7点15分 seven fifteen 或 a quarter past seven
7点20分 seven twenty