首字母 填空 写近义词 there are many new words in this passage so i have some d_______there are many new words in this passage so i have some d_______ understanding it

问题描述:

首字母 填空 写近义词 there are many new words in this passage so i have some d_______
there are many new words in this passage so i have some d_______ understanding it

difficult
有困难

4

difficult 困难