be covered with和be covered by有什么区别?

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be covered with和be covered by有什么区别?

be covered with和be covered by有什么区别?
be covered with和be covered by有什么区别?

be covered with和be covered by有什么区别?
be covered with与 be covered by 这两个词语都有“由.覆盖”之意
介词with用于主动或被动语态均可,指“用.覆盖/掩盖”,表状态
介词by用于被动语态,引出动作的逻辑主语,表动作不可通用.

be covered with 被…所覆盖,覆盖着,盖满…
The grass was covered with frost in the early morning.
be covered by ... : 由...承担/负担/支付;被...掩护/报道/监视/控制等等,表示抽象的概念, 后面接人, 机构, 或者组织.
These expenses are covered ...

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be covered with 被…所覆盖,覆盖着,盖满…
The grass was covered with frost in the early morning.
be covered by ... : 由...承担/负担/支付;被...掩护/报道/监视/控制等等,表示抽象的概念, 后面接人, 机构, 或者组织.
These expenses are covered by the state.

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