The risk of heart attack and stroke starts to drop immediately after a person stops using tobacco products, and can drop by as much as half after one year.
好消息是在人们停止使用烟草制品后心脏病发作和中风的危险立即开始下降，并且在一年后可下降达一半。
Double click on the rectangle's layer and add an 8px white stroke. Change the Blend Mode to Overlay and drop the opacity to 30% to give a cool transparent effect.
双击圆角矩形图层然后添加8白色描边，宽度为8px，混合模式为叠加然后调整透明度为30%，这样就会有一个很酷的透明效果- _。
Double click on the rectangle’s layer and add an 8px white stroke. Change the Blend Mode to Overlay and drop the opacity to 30% to give a cool transparent effect.
双击圆角矩形图层然后添加8白色描边，宽度为8px，混合模式为叠加然后调整透明度为30%，这样就会有一个很酷的透明效果-_
Now Add a Drop Shadow, Inner Shadow, and Stroke layer styles to your rounded rectangle layer (double-click on the layer in the Layers Panel to open up the layer style dialog box).
现在需要给圆角矩形图层加入投影、内阴影和描边的图层样式(双击图层面板上面的图层，打开图层样式对话框)。
Swimmers have a tendency to drop the elbow in backstroke. That is, they let the elbow lead the hand. This should be avoided, as it decreases stroke efficiency.
有些人在有仰泳时有沉肘的倾向，就是他们用肘部来带动手的动作。这个动作应该避免，因为这个动作可能会降低划水效率。
A drop in deaths from heart disease and stroke helped boost the U. S. life expectancy to almost 78 years in 2005.
2005年死于心脏疾病和中风人数的下降使美国人预期寿命提高了78岁。
A cross over at the front of the stroke tends to cause your elbow to drop, also damaging your catch and hurting your propulsion.
身前的划水过中线易于使你的肘部下沉，而且破坏你的抓水和损害你的动力。
It will help the stroke if you can make you body lift and drop, it is called undulation.
如果你能使你的身体上来下去的话，将有助于你的划动。
It will help the stroke if you can make you body lift and drop, it is called undulation.
如果你能使你的身体上来下去的话，将有助于你的划动。
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