Keyl凯尔keyn.键；关键；钥匙；答案adj.关键的；主要的vt.键入；用钥匙锁上；为 ... 调音key punchern.电脑操作员keyed pulse键控脉冲, 门脉冲key journal核心期刊Keyin Pills克银丸key horizon键面keyed pilot键控导频key routing按钮选路,电键选路key storage密钥存储, 密钥流key contact主要接触key-fruit(拉pterodium)翅果

1. It was this key seat wiper that we bought last year.
   我们去年买的就是这个键槽破坏器。