钥匙坠大小的存储器

grey fox───灰狐

key club───会员各持钥匙的私人俱乐部

key move───按键移动

key word───关键字；保留字

key factor───关键因素；[计]主要因素

key in───键入

key up───使升调；激励；使激动；提高

I found the answer on Car2Go's website: you can use the key fob to indicate that you're making an intermediate stop.───我在Car2Go的网站上找到了答案：你可以通过密钥卡来表示自己只是中途停车。

Suppose your remote car door opener does not have the range to reach your car across the parking lot. Hold the metal key part of your key fob against your chin, then push the unlock button.───如果你的汽车遥控钥匙不能越过停车场打开车门，把钥匙链上的金属钥匙按在下巴上再按下开锁键。

Its latest security initiative is a digital key fob, linked to customers' accounts, whose security code changes every 30 seconds.───其最新的安全方案为一种数码密钥卡，可同客户的帐户相连，其密码每30秒自动更换。