Even rudimentary feathers on forelimbs could have expanded the arm's surface area to enhance lift slightly.

即使是前肢发育不全的羽毛也能扩大手臂的表面积，以略微提高升力。

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Traditional downtown Xian refers to the area encircled by the city wall, this has now been expanded to encompass the area within the second ring road (er 'huan Lu).

传统的市中心区是指被西安的城墙包围的地区，现在已经被扩大到包括在二环路的区域。

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Li indicated that currently the development of bilateral relations enjoys sound momentum with an increasing of common interest between both countries and cooperative area steadily expanded.

李肇星表示，当前，中爱关系发展势头良好，两国共同利益增多，合作领域不断扩大。

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Banks in Austria,Italy and Sweden that expanded into the area during good times are now in danger of heavy losses.

VOA: special.2009.03.06

Chelliah says APEC members have been studying how the European Union expanded its free trade area, as well as the ASEAN Australia-New Zealand trade agreement and the Trans-Pacific Strategic Economic Partnership.

VOA: standard.2009.11.09

In 2009, a Culture Media and Sport Select Committee said the purchase expanded an area "where the BBC has no, or very limited existing interests".

BBC: Worldwide sells Lonely Planet business at ?80m loss

Authorities have since expanded an evacuation area in an effort to protect nearby residents.

CNN: Alabama bunker suspect faced court date, neighbors say

Financial giant Deutsche Bank has also expanded in the area.

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