Question

cover with和cover by的区别

The pathway was completely covered by the dense foliage.这里cover表隐藏，掩住，by引导媒介。
The field is covered with snow.这里cover表盖住，被动语态。
不太清楚这个区别。

Answer 1

cover with主要用在主动语态：i cover the table with cloth.
cover by 主要用在被动语态：the table is covered by cloth

Answer 2

COVER WITH是用什么覆盖

COVER BY是被什么覆盖

Answer 3

with是上面盖了什么
by是被某人(用某物)盖了
conver with sth by sb

Answer 4

conver：
with 是表示主动的
by 是表示被动的