Expertly he zigzagged his way across the field, avoiding the deeper gullies.他熟练地左一拐右一拐地绕过深沟，穿过了原野。In such areas small tributaries or gullies will not show.在这些地区,小的支流和冲沟显示不出来.Gullies, streaks, ripples and dust devil track...
Brain lesions can be caused by bacterial infections.大脑损伤可能由细菌感染引起.Leaves will usually have a cooked appearance, with dark brown, reddish lesions.叶子常呈火烧状, 暗棕色, 红色的病痕.Disfiguring subcutaneous lesions bulge onto the surface...
成矿热液的水主要来自大气降水.Mineralized hydrothermal water mainly originated from the atmospheric rainfall.次火山岩是岩浆体系分熔侵入-喷发过程中最后集中成矿热液的载体,具有直接的找矿意义.Subvocanics is the final carrier of hydrothermal fluid of magmatism thus is the prosp...