Exulceration
形成溃疡
🗣️ 情景例句
Ask Paul Smith to fill in for me.
叫Paul Smith代替我出席。
All things are difficult before they are easy.
凡事必先难后易。
The disadvantage with carrying out interviews is that it may take a long time.
走访用户的不利之处是它需要很长的时间。