At some higher velocity individual grains will roll and slide intermittently along the bed . 在稍高一些的流速时，个别的颗粒沿着河床间歇地滚动和滑动。
There is, as with aerodynamic control additional complication if roll control is required . 像用气动力控制那样，如果需要滚动控制，那么就增加了复杂性。
The afternoon was now fallen so breathless that the rolling of a pebble sounded abroad like a pistol-shot . 那天下午变得那么寂静无声就是一块小石子的滚动，也会象一声枪响似的。
On his way to the sweet shop , he dropped his sixpence and it rolled along the pavement and then disappeared down a drain . 他在去糖果店的路上，把钱掉到地上了，硬币沿着人行道滚动，掉进阴沟里去了。
Nothing interrupted the stillness of the scene but the noise of the balls, which, whenever they were rolled, echoed along the mountain like rumbling peals of thunder . 只有球声不时打破眼前的寂静，每逢这些球滚动的时候，山中就会发出雷鸣似的隆隆的回声。
Gets or sets the type of scroll bars to display in the 控件中显示的滚动条类型。
Gets or sets the size of the auto - scroll margin 获取或设置自动滚动边距的大小。
Scroll to outgoing smtp server and press select 滚动离任smtp服务器和按下选择
The direction and number of wheel rotations with 查明是单元滚动还是块滚动、使用
Gets the dimensions of an element s scrollable region 获取元素的可滚动区尺寸。
