A key chain
钥匙───key;一串───a string
Two key witnesses at her trial committed perjury.───在对她的庭审中有两名主要证人犯了伪证罪.
He dived his hand into his pocket in an attempt to find the key.───他把手伸到口袋里摸,试图找到那把钥匙.
She would keep any sensitive documents under lock and key.───她总是把任何机密文件都锁得好好的.
Scientists provided the key to understanding the genetic code that determines every bodily feature.───科学家们找到了破解决定各种身体特征的遗传密码的密钥。
Gooch last night pointed to their bowling as the key to World Cup success.───古奇昨晚指出,他们的投球是在世界杯上取得成功的关键。
Oh, no! I've forgotten my key again.───真该死! 我又忘了带钥匙了.
His contribution could be key.───他的贡献可能是最重要的。
He threw the key at me.───他把钥匙丢给我.