Sensitized and challenged animals had significantly increased AR to aerosolized methacholine compared with control animals. 激发致敏后的动物雾化吸入乙酰胆碱后较对照组有显著的气道反应性增高.
将军命令号手吹号收兵.The general ordered the bugler to sound the retreat.小号手英勇地面对敌人.The little bugler bravely squared up to his enemy.巴里·塔克韦尔 是伦敦交响乐团的主号手.Barry Tuckwell was principal horn with the London Symphony Or - chestra....
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....