他用手遮挡着屏幕,不让别人看到他的密码。

He was shielding the screen with his hand to keep others from seeing his password.

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He was shielding the screen with his hand to keep others from seeing his password.

shielding 是动词 shield 的现在分词形式。shield 本意是"盾牌",引申为"保护、遮挡"的动作。shielding 在这里表示"用手遮挡"的持续动作。

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