These borings consist of rock fragments, ash coal and other materials.这些孔屑包括石头碎片 、 灰尘、煤渣和其他东西.Ultra - violet recorders consist in principle of geophones.紫外线振动记录器的原理与听地器相似.'What does your market research consist of?&...
经过更为仔细的探察,他发现这些岩石含金。He discovered, on closer inspection, that the rocks contained gold.几队狱警一直都在探察暴乱者的防卫情况。Squads of prison officers have been probing the rioters' defences.去探察活火山是非常危险的.It is most risky to go and exa...