Dyspnea is the perception of uncomfortable , distressful, or labored breathing.呼吸困难是病人对呼吸不适 、 呼吸困苦或费力的自我感觉.I was close enough to the elk to hear its labored breathing.我离那头麋鹿非常近，能听见它吃力的呼吸声。He labored under the delusion th...
I was close enough to the elk to hear its labored breathing.我离那头麋鹿非常近，能听见它吃力的呼吸声。They labored under the disadvantage of not having enough money.他们苦于得不到足够的资金.He labored under the delusion that he could never make a mistak...
电子照相得到的星象看起来模糊,似乎是离焦的像.Electronographic star images appear soft and out of focus.离焦是造成图像模糊的最常见原因之一.Defocus is one of the most familiar reason inducing image degradation.它使用的形状与离焦技术的扩散.It used shape from defocus technique...