block off
动词- To obstruct. · The lorry is blocking off the road, so traffic has come to a standstill.
- To book, set aside (an unbroken period of time to do an activity). · I'll need to block off a couple of weeks to refurnish my house.
在真实文章中学习block off
注册免费账号后，在图书馆中把鼠标悬停在任何单词上即可看到意思，还能听朗读、收藏单词并按你的记忆安排复习，看到每本书你已经认识多少。