英国煤层的平均厚度为1米。The average UK coal seam is one metre thick.他正忙于勘探煤层.He is busy with proving up a coal deposit.煤层的炭化程度取决于温度.The degree of carbonization of coal depends on the temperature....
a fish's ventral fin鱼的腹鳍Its sucking mouth was in a terminal rather than a ventral position.它的吸嘴位于末端,而不在腹部.The ventral nerve cord is covered externally by a peritoneum.腹神经线外被以腹膜....
不同的教学项目结构造成了巨大的差异。There are wide variations caused by different academic programme structures.这给我的个人生活和我的工作都造成了严重的不良影响。This has taken a great toll on me personally and professionally.她从马上摔下来，造成了脑震荡。She fell off a horse a...