英语词汇closed book怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

n.
- 1
  something that baffles understanding and cannot be explained
  同义词：mystery??/??enigma??/??secret

1
During this time they have their books closed.
"在这段时间里，学生们把书合上了。
2
But the price for keeping the books closed is a high one.
但是总是看书的价钱也是很高的。
3
A book drop is the small metal door in the wall of the building where people can return books when the library is closed.
所谓还书架(book drop)是指，当图书馆关门时，还书者将书放在墙中的一个金属门中，这个金属门就是还书架。

单词	closed book
释义	closed book 简明释义难以理解的事物或谜团英英释义 n. 1 something that baffles understanding and cannot be explained 同义词：mystery??/??enigma??/??secret 双语例句 1 During this time they have their books closed. "在这段时间里，学生们把书合上了。 2 But the price for keeping the books closed is a high one. 但是总是看书的价钱也是很高的。 3 A book drop is the small metal door in the wall of the building where people can return books when the library is closed. 所谓还书架(book drop)是指，当图书馆关门时，还书者将书放在墙中的一个金属门中，这个金属门就是还书架。
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