After at least eight rings, an ancient-sounding maid answered the phone.

电话至少八声后，一位听上去很老的女仆接了。

《柯林斯英汉双解大词典》

This ceiling is composed of eight rings , two lights and two ventilators. It presents the harmony between the human beings and nature.

此款由八个圆形和两个照明、换气扇组成，体现人居与自然之间的和谐。

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Occasionally, somebody gets confused, and Don's voice rings out over the loudspeakers: "There's eleven white guys and eight blue guys, and that won't work."

偶尔会有人把人数搞错了，扩音器里就会传出唐的声音：“场上有十一个穿白队服的，八个穿绿队服的，乱了套了。”

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Dr Bevan and the team of researchers from Newcastle University also fitted the tiny geolocator tags to the leg rings of eight puffins during 2009.

BBC: Tags reveal puffin food 'hotspot'

Dr Ghadiri found that, if rings of eight amino acids (the molecular building blocks of proteins) are placed near cell membranes, they self-assemble into tubes within those membranes.

ECONOMIST: Nanotechnology in biology

Hooked on to these rings are the eight staves of the barrel.

ECONOMIST: Cell biology: The secret of the vaults | The