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1.engaged in 从事
The soldiers were engaged in a military operation close to the Ugandan border.
这些士兵参加了乌干达边境附近的一次军事行动。
2.close down 关闭
Close down autos and you close down steel and rubber.
关掉了汽车工业你也就关掉了钢铁工业和橡胶工业。
3.face to face 面对面
She pushed her way through the mob and confronted him face to face
她挤过骚动的人群，与他当面对峙。
4.lay out 铺开
Maxwell listened closely as Johnson laid out his plan
马克斯韦尔仔细听着约翰逊讲解其计划。
5.exposure to 暴露
According to the acoustics, continual exposure to noise of high intensity would lead to loss of hearing.
根据声学，持续暴露在高强度噪音下，会导致失聪。
