这句中的in three是什么意思？

If your brain surgeon told you the operation you need takes five hours, would you pressure him to do it in three？

这句中的in three是什么意思？ Is this book out in paperback?中的out是什么意思，这句对吗？ The affected colonies died in about three months.这句话是什么意思啊? There is a bus station in 5 miles.这句中的in有错吗？ 看看这句英语中的简写是什么意思？ 请问HMTL语言中的这句是什么意思？ 信用证中的这句是什么意思啊？ 句中的right是什么意思？ How much have you grown in the last three years?是什么意思？ Ten Three Gorges Dam in Hubei is 2200 metres long.是什么意思