They're trying to blast away the face of the rock.

他们试图炸开岩石的表面。

They're trying to blast away the hill to pave the way for the new highway.

他们试图炸掉这座小山丘为新公路通过。

They're trying to blast away the hill to pave the way for the new highway.

他们试图炸掉这座小山丘来建新公路。

Instead of a whiny turbine drill he USES a flash of laser light to blast away dentin and enamel.

他用的是一道激光而不是烦人的涡轮钻来清除象牙质和牙齿的珐琅质。

Let the lens dry, use your blower to blast away any remaining dust or particles, then cap the lens.

保持镜头干燥，使用吹风机吹掉剩余的其它灰尘或者微粒，然后盖好镜头。