1. 使暴露;使显露
    To expose something that is usually hidden means to uncover it so that it can be seen.

    e.g. Lowered sea levels exposed the shallow continental shelf beneath the Bering Sea...
           海平面下降使白令海底部的浅层大陆架暴露出来。
    e.g. For an instant his whole back was exposed.
           一瞬间，他整个背部都露了出来。

2. 揭发;揭露
    To expose a person or situation means to reveal that they are bad or immoral in some way.

expose什么意思

    e.g. The Budget does expose the lies ministers were telling a year ago...
           预算案无疑揭穿了部长们一年前所说的谎话。
    e.g. After the scandal was exposed, Dr Bailey committed suicide...
           丑闻曝光后，贝利博士自杀了。

3. 使暴露于（险境）;使遭受（危险或不快）
    If someone is exposed to something dangerous or unpleasant, they are put in a situation in which it might affect them.

    e.g. They had not been exposed to most diseases common to urban populations...
           城市人口中多数常见的疾病他们都没有接触到。
    e.g. A wise mother never exposes her children to the slightest possibility of danger.
           明智的母亲决不会让她的孩子置身于一丁点儿危险之中。

4. 使受…的影响(或熏陶);使接触
    If someone is exposed to an idea or feeling, usually a new one, they are given experience of it, or introduced to it.

    e.g. ...local people who've not been exposed to glimpses of Western life before...
           过去丝毫未曾见识过西方生活的当地人
    e.g. These units exposed children to many viewpoints of a given issue.
           这些单元让孩子们接触到有关某一特定问题的多种观点。

5. （常因精神或感情失控）暴露性器官，当众露阴
    A man who exposes himself shows people his genitals in a public place, usually because he is mentally or emotionally disturbed.

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    e.g. Smith admitted indecently exposing himself on Wimbledon Common.
           史密斯承认自己在温布尔登公地当众露阴，有伤风化。