the big key was the defense down the stretch怎么理解?

the big key was the defense down the stretch怎么理解? 翻译The given key was not present in the dictionary. the key to the The key was used to wind it up. The golden key Is the key yellow? the key color THE MISSING KEY怎么样 the key to your where is the key the key back tou “The Big the big The Big The key( ) she was opening the door broke.【填入引导词】说明原因, The key is on the table 对The key 提问 the key code you entered was not vlid.please re-enter 使命召唤 key code 谁知道在哪里可以找到? tHE big forest fire was finally under c______