三点十五分用英语怎么说

"Three points fifteen minutes" can be translated into English as "three fifteen".
This expression is commonly used in the context of time-keeping and refers to a quarter past three o'clock. In this system, the hours are divided into quarters, each quarter being fifteen minutes.
Examples:
"What time is it?" "It's three fifteen."
"现在几点了？" "三点十五分。"
"Can we meet at three fifteen?"
"我们可以在三点十五分见面吗？"
Note: This expression is commonly used in the English-speaking world.