The stability problem of wall rock was prominent, and the factors that affect the wall rock stability including karst, disadvantage structure surface, and the block body combined by the two factors.

乌江构皮滩水电站电站厂房为岩溶地区修建的特大型地下厂房，围岩稳定问题较突出，影响围岩稳定的因素主要有岩溶与不利结构面及其组合的块体等。

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Zinc is a building block of the body and a deficiency in zinc can lead to stunted growth, diarrhea, impotence, hair loss, eye and skin lesions, impaired appetite, and depressed immunity.

锌是身体的基础材料，并且在缺锌可导致发育迟缓增长，腹泻，阳痿，脱发，眼睛和皮肤损伤，无食欲，和低下的免疫力。

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The deformed cells block blood vessels and cut off the flow of oxygen to tissue in the body.

VOA: special.2009.12.16

It is thought that TZDs work by stimulating the production of proteins which block the body's inflammatory response.

BBC: News | Health | Bowel disease drug breakthrough

Even at a coffee break, be aware that you may create a barrier by holding your cup and saucer in a way that seems deliberately to block your body or distance you from others.

FORBES: Want to Build Collaboration? Watch Your Body Language!

The sport utility vehicle dragged Tamerlan's body down the block, he said.

NPR: Boston Bomb Suspect Hospitalized Under Heavy Guard