Sow the seeds in drills about 1/2in. deep and 12in. apart.在深约0.5英寸，间隔12英寸的条播沟里播种。The racket of drills and electric saws went on past midnight.钻孔机和电锯的噪声过了半夜还继续响着。We replaced hand picks with pneumatic picks and electric dr...
He drills the choir to a high standard.他将合唱团训练到了一个高水平。We replaced hand picks with pneumatic picks and electric drills.我们把手镐换成风镐和电钻.Much of their study and revision was done to the thud of hammers and pneumatic drills...他...