名词
中文翻译：在防护下
同义词：
['under cover', 'under protection']
例句：
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1.The soldiers were under shields when they entered the battlefield.
士兵们进入战场时都戴着护盾。
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2.He was under shields while he was being questioned by the police.
他被警察审问时都戴着护盾。
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3.The injured soldier was under a medical shield during the operation.
受伤的士兵在进行手术时都戴着医疗护盾。