One informal test that some doctors use to check for COPD progression is to have you breathe while raising your arms over your head.
一些医生用来检查COPD进程时，做的一项非常规测试就是在把你的手臂抬过头时要你呼吸气，为什么呢？
To do this, make a HEAD request and then check for a 404 error in your callback function; Listing 11 shows a sample callback.
要实现这种功能，生成一个HEAD请求，然后在回调函数中检查404错误；清单11给出了一个简单的回调函数。
Every mile or so, check your running form from head to toe, so you can prevent wasting energy as a result of bad form.
每英里左右，检查你跑步从头到脚的形态，这样你可以防止浪费能量造成不好的表现。
In any case, check the condition of your shellac before you head out to the field.
无论如何，检查你的虫漆情况在你出发到领域之前。
You can check your alignment in this pose with your back against a wall. Stand with the backs of your heels, sacrum, and shoulder blades (but not the back of your head) touching the wall.
可以背靠墙来检查身体是否排成直线。站立，后脚跟、骶骨和肩胛骨接触墙面。(后脑不接触墙。)
Click the Tools menu, and then click on League of Nations. On the Advanced TAB, scroll to the Head in the Sand section and check Settings for your exports to Iraq.
点击工具菜单，和然后点击国家同盟。在高级选项卡中，滚动滚动条到沙子部分，并检查设置您向伊拉克的出口物资。
You can check your old shoes in your gear check bag, and put on your race shoes and socks right before you head to the starting line.
前往起跑线时你可以把你的旧鞋寄存在衣物袋中，换上干燥的跑鞋和袜子。
I don't want you to give me an answer off the top of your head. Can you double check and give me an exact number this afternoon?
我不需要你马上回答，你能否再检查一下，今天下午给我一个准确的数字？
I will check with my head office about their lead time and confirm you later. Before this, I must have your pricing now.
我将和我们总部核对一下关于交货期，然后会通知您。在此前，你必须给我们报价。
I will check with my head office about their lead time and confirm you later. Before this, I must have your pricing now.
我将和我们总部核对一下关于交货期，然后会通知您。在此前，你必须给我们报价。
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