These differences are connected with the strong absorption of the composite projectiles.这些差别与复杂的入射粒子的强烈吸收有关.Projectiles became more important because cannons could now fire balls over hundreds or yards.抛射体变得更加重要,因为人们已能用大...
彼得转弯太急，换挡不利索，车开得一颠一颠的。Peter drove jerkily, cornering too fast and fumbling the gears.他告诉我们何时打转向灯、何时换挡。He told us when to indicate and when to change gear.他一边换挡，一边抬眼看后视镜。He looked up into the mirror as he changed through ...