About the size of a football, it's located mainly in the upper right portion of your abdomen, beneath the diaphragm and above your stomach, but a small portion extends into the upper left quadrant.

大概有橄榄球那么大，主要部分位于右上腹部，在横隔膜下方，胃上方，还有一小部分肝脏延伸到腹部的左上象限。

youdao

The paper researched the reservoir of the upper Shasi Member, mainly on the petrologic characteristics of reservoir, the types of the diagenesis and the physical property characteristics.

以沙四上亚段储层为研究对象，开展了储层岩石学特征、成岩作用类型与物性特征等方面的研究。

youdao

Conclusions pontine infarctions, which mainly located in mid-upper paramedian pons, are usually due to vertebrobasilar artery stenosis and occlusion of pontine perforating arteries by hypertension.

结论脑桥梗死多发生在脑桥中上部的旁正中区域，主要由椎基底动脉狭窄、高血压性基底动脉穿通支闭塞所致。

youdao

So now it ensnares an increasing number of people, mainly the upper middle class.

FORBES: Magazine Article

The Conservatives and Liberal Democrats agreed in their coalition deal to set up a committee to examine proposals for a "wholly or mainly elected upper chamber" - but the issue is seen as one that is driven more by the Lib Dems.

BBC: Ashdown: Peers are 'creatures of patronage'

This price barrier makes the coffee shop culture mainly a preserve of the upper middle classes in India.

BBC: Coffee v tea: Is India falling for the cappuccino?