be covered是什么意思

be covered是什么意思 Be covered be covered be covered digits covered是什么意思 is covered是什么意思 covered in mud是什么意思 be covered in 和be covered with 有什么区别? be covered in 和 be covered on有什么不同? be covered with 与 be covered by 有什么不同? be covered with 与be covered by的区别是什么? be covered with .be covered by 的区别? be covered with和be covered by有什么区别? be covered with 和 be covered under 有什么区别? 用be covered with造句 A be covered with B have we covered everything是什么意思 covered