1. 更新；使現(xiàn)代化
    If you update something, you make it more modern, usually by adding new parts to it or giving new information.

    e.g. He was back in the office, updating the work schedule on the computer...
           他已回到辦公室，正在電腦上更新工作日程。
    e.g. Airlines would prefer to update rather than retrain crews.
           航空公司更愿意換新員工而不是對(duì)舊員工重新進(jìn)行培訓(xùn)。

2. 最新消息；快訊；速遞
    An update is a news item containing the latest information about a particular situation.

    e.g. She had heard the news-flash on a TV channel's news update.
           她在一家電視臺(tái)的新聞快訊中聽到了這則簡明新聞。
    e.g. ...a weather update.
           最新天氣報(bào)告

3. 為…提供最新消息；把最新進(jìn)展告訴（某人）
    If you update someone on a situation, you tell them the latest developments in that situation.

    e.g. We'll update you on the day's top news stories...
           我們將為您提供當(dāng)天的重要新聞。
    e.g. I would just update them on any news we might have.
           我們一有新消息我就會(huì)告訴他們。