He rang the bell and asked for fresh flowers to be sent quickly to his rooms.
VOA: special.2009.04.11
How many of you have seen the Taco Bell series of advertisements for the fourth meal?
你们多少人看过塔可钟,宣传第四餐的那个系列的广告
So the normal--the bell-shaped curve in that case for the x/n is going to look something like this.
那么x/n的钟形曲线,大概就会是这个样子
The next year Bell moved to Boston,Massachusetts, to teach at a school for the deaf.
VOA: special.2010.05.14
For most of his life, Bell worked with deaf people.
VOA: special.2010.05.14
VOA: special.2010.04.09
He rings this bell to collect money for the Salvation Army, a worldwide charitable Christian organization.
VOA: standard.2009.12.16
Many bell ringers are volunteers but others,like Green, work for a small hourly wage.
VOA: standard.2009.12.16
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