A Year on Earth 地球上的一年
A Year on the Farm 田园寻趣
a year-on-year increase 比上年增加
on a one-year program 在一年实习中
Michael O'Donnell says the F.A.A.is spending between seven hundred fifty thousand and one million dollars a year on radar research.
VOA: special.2009.04.01
The return he got from 1996 to 2006 was 17% a year on investments.
从1996到2006,他的个人投资收益率为一年17%
Yeah, I actually, we have a concert here on Main Green once a year called "Spring Weekend"
是的,我们每年都会在梅因格林举办一场音乐会,叫做“春日周末”,
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