Blocked bond
[化] 闭锁键
🧩 词语组成解析
a. 堵塞的；被封锁的
🗣️ 情景例句
Yes. I'm sorry, but how do you spell your last name, sir?
好的，不过对不起，先生你的姓怎么拼？
It is a great art to laugh at your own misfortune.
对己之不幸付之一笑，这是一门伟大的艺术。
People change, but they don't suddenly chnge from being right-handed to being left-handed.
人会变，但他们不会从惯用右手而突然转变成左撇子的。