可数名词&160;A&160;secret&160;is a fact that is known by only a small number of people, and is not told to anyone else. 秘密
例：
I think he enjoyed keeping our love a secret.
我想他喜欢对我们的恋情保密。
5.
单数型名词&160;If you say that a particular way of doing things is&160;the secret&160;of&160;achieving something, you mean that it is the best or only way to achieve it. 秘诀
例：
The secret of success is honesty and fair dealing.
成功内的秘诀是诚实和容公平交易。追答柯林斯英汉双解大辞典
kitchen&160;&47;&712;k&618;t&643;&618;n&47;&160;
1.
可数名词&160;A&160;kitchen&160;is a room that is used for cooking and for household jobs such as washing dishes. 厨房