1. 降落伞
    A parachute is a device which enables a person to jump from an aircraft and float safely to the ground. It consists of a large piece of thin cloth attached to your body by strings.

    e.g. They fell 41,000 ft. before opening their parachutes...
           他们下降了41,000英尺后才拉开伞。
    e.g. UN troops could be landed by helicopter or even by parachute.
           联合国部队可以乘直升机着陆，甚至可以伞降。

2. （使）跳伞；（使）空降
    If a person parachutes or someone parachutes them somewhere, they jump from an aircraft using a parachute.

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    e.g. He was a courier for the Polish underground and parachuted into Warsaw...
           他是波兰地下组织的情报员，被空降到华沙。
    e.g. He was parachuted in.
           他空降进入。

3. 空投
    To parachute something somewhere means to drop it somewhere by parachute.

    e.g. Planes parachuted food, clothing, blankets, medicine and water into the rugged mountainous border region...
           飞机将食品、衣物、毯子、药品和水空投到崎岖多山的边界地区。
    e.g. Supplies were parachuted into the mountains.
           补给物资被空投到山区。

4. （使）空降（指突然从机构外调入）
    If a person parachutes into an organization or if they are parachuted into it, they are brought in suddenly in order to help it.

parachute的解释

    e.g. ...a consultant who parachutes into corporations and helps provide strategic thinking.
           空降到公司协助制定战略思想的顾问
    e.g. There was intense speculation 18 months ago that the former foreign secretary might be parachuted into the Scottish Parliament.
           18个月前，人们普遍猜测前外交大臣可能会空降至苏格兰议会。