1. 跳水
    If you dive into some water, you jump in head-first with your arms held straight above your head.

    e.g. He tried to escape by diving into a river...
           他企图跳入河中逃跑。
    e.g. She was standing by a pool, about to dive in...
           她站在水池旁边，正要往里跳。

2. 潜水
    If you dive, you go under the surface of the sea or a lake, using special breathing equipment.

dive

    e.g. Bezanik is diving to collect marine organisms.
           贝扎尼奇正在潜水采集海洋生物。

3. (鸟或动物)俯冲，急速下扑(或下潜)
    When birds and animals dive, they go quickly downwards, head-first, through the air or through water.

    e.g. ...a pelican which had just dived for a fish...
           刚刚潜入水中捕鱼的鹈鹕
    e.g. The shark dived down and swam under the boat.
           鲨鱼急速潜入水中，在船下游动。

4. (飞机)俯冲
    If an aeroplane dives, it flies or drops down quickly and suddenly.

dive

    e.g. He was killed when his monoplane stalled and dived into the ground.
           他因驾驶的单翼飞机失速坠地而丧生。

5. 冲向;跃向;扑向
    If you dive in a particular direction or into a particular place, you jump or move there quickly.

    e.g. They dived into a taxi...
           他们迅速钻进一辆出租车。
    e.g. The cashier dived for cover when a gunman opened fire...
           出纳员在持枪歹徒开枪时冲向藏身处。

6. 迅速将手伸入(包或容器中)
    If you dive into a bag or container, you put your hands into it quickly in order to get something out.

    e.g. She dived into her bag and brought out a folded piece of paper.
           她立即将手伸入包中拿出一张折好的纸。

7. (股价、利润或数字)暴跌，骤降
    If shares, profits, or figures dive, their value falls suddenly and by a large amount.

    e.g. If we cut interest rates, the pound would dive...
           如果我们降低利率，英镑就会大幅贬值。
    e.g. Profits have dived from £7.7m to £7.1m...
           利润从770万英镑暴跌至710万英镑。

8. 下等酒吧;低级夜总会
    If you describe a bar or club as a dive, you mean it is dirty and dark, and not very respectable.

    e.g. We've played in all the little pubs and dives around Liverpool.
           我们在利物浦所有的小酒吧和低级夜总会演出过。