Men aspire to be able to show off their six packs or their V-shape backs and there's a growing market of slimming pills aimed at men too.

男性渴望展示自己的六块腹肌或 V 型后背，针对男性的减肥药市场也在不断增长。

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That is why luxury cars have invariably used much smoother inline-six engines or v-8s-and why most of the new breed of four-cylinder motors rarely exceed two litres.

这就是豪华汽车始终更多地采用直排六缸引擎或者V - 8s引擎，以及多数四缸引擎系类的汽车的排量很少超过两升的原因。

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Unlike the better balanced straight-six or even the ultra-smooth V-12 engine, the humble four-cylinder generates an up and down vibration with a frequency of twice the crankshaft's rotational speed.

不像运行起来比它更稳定的直列六缸引擎或者极其流畅的V - 12引擎，卑微的四缸引擎会以一种比自身机轴转速高两倍的频率产生一上一下的振动。

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In one study,infected mothers began to take three anti-H.I.V.drugs while breastfeeding for up to six months.

VOA: special.2009.07.29

Volunteers received vaccinations over a period of six months and were tested for H.I.V.

VOA: special.2009.09.30

The force in Spain totals about 500 Marines with six V-22 aircraft they can use to move quickly.

CNN: Marines on alert if U.S. personnel evacuate Libya

Nevertheless, six decades after V-J Day nearly three hundred thousand American troops are stationed overseas, including fifty-five thousand in Germany, thirty-five thousand in Japan, and ten thousand in Italy.

NEWYORKER: The Force

Mr. Conway decided on a V-shaped island with seating for six, making it easy for one or more adults to reach over and serve young guests.

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