The south block of Yulin gas Field is of great development difficulty because it is a low permeability gas reservoir which produces small proportion of gas condensate.

榆林南区为产少量凝析油的低渗透气藏，其开发难度较大。

youdao

As a neutral state, Kentucky could block northern troops from much of the South.

VOA: special.2009.08.20

Yeah. So I spent two years in Israel studying in the place called Gush at Etsyon the Etsyon Block which is about 20 km south of Jerusalem.

对，所以说我在以色列待了两年,在Etsyon的Gush学习,在距耶路撒冷以南20公里的Etsyon地区。

普林斯顿公开课 - 人性课程节选

Walk to 18th Street, turn right and head south one block to Mount Vernon Street.

FORBES: A Walking Tour of Philly's Art Museum Neighborhood

In May, Royal Dutch Shell said it would pull out of developing another phase of the South Pars block.

BBC: Easy gas riches on hold for Iran

South Sudan accuses Sudan of arming Yau Yau's rebellion in order to block South Sudan's plans to build an oil pipeline through Ethiopia to a port in Djibouti.

NPR: South Sudan Military Says 163 Killed In Clashes