It's the hottest day this year. 這是今年最熱的一天。

It's the hottest day I've had so far. 這是迄今截止我經(jīng)歷的最熱的一天。Today is the hottest day of the year. 今天是一年中最熱的一天。it's the hottest day i've had so far. 這是到現(xiàn)在截止我履歷的最熱的一天。This must be the hottest day of the year. 這一定是一年中最熱的一天。