be covered in/with/by有什么区别

问题描述

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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.

The tree was covered with beautiful pink blossom.

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.

be covered in 是用……填满,表动作

be covered with 是被……覆盖 举一例：

In winter,the earth is covered with snow.

也有充满的意思（无形的,例感情等）