英汉词典

1. 在今天;在今日
    You use today to refer to the day on which you are speaking or writing.

    e.g. How are you feeling today?...
           你今天感觉怎么样？
    e.g. I wanted him to come with us today, but he couldn't.
           我想让他今天和我们一起来，但他来不了。

2. 当今;现今;在当代
    You can refer to the present period of history as today .

    e.g. The United States is in a serious recession today…
           当今美国正处于严重的衰退时期。
    e.g. He thinks pop music today is as exciting as it's ever been.
           他认为现今的流行音乐与以往一样令人兴奋。