单词:adjustable pulse width pacemaker
单词:adjustable pulse width pacemaker 相关文章
So how is it, doc? It goes alright? Good. OK. I have my pulse checked coz Jim from Texas says his pulse is fast, really fast and he'd like to know if he should worry about it. Is a fast pulse an indication of anything specific? Well, you'd know the n
UNIT TWELVE [00:15.99]What letter is this?Picture 1. [00:23.54]What letter is this,Tony.It is B.Picture 2. [00:37.28]What number is this? It is eight.Picture 3. [00:51.15]What shape is this? It is a square.Picture 4. [01:03.87]What shape is this? It
SCIENCE IN THE NEWS - Major Progress in Health Through Technology From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move
Grief can drive people to extraordinary lengths. 语音讲解: 1.grief /gri?f/ 2.lengths/le?s/ 词汇讲解: 1.grief-grieve relief(放松),grief(悲痛) 是名词 relieve(使.放松),grieve(使.悲伤) 是动词 His grief was etch
Alzheimer's disease or AD is an illness that seriously affects senior citizens. It causes memory loss, and patients may even gradually lose some of their basic physical abilities. But now researchers in the U.S. are using technology to reduce memory
Pacemakers are expensive. Though some pacemaker manufacturers have dropped the price down to $800 in poorer countries, thats still out of reach for many. One to two million people die each year because they dont have access to this life-saving techno
哥哥的心愿 A friend of mine named Paul received an automobile from his brother as a Christmas present. On Christmas Eve when Paul came out of his office, a street urchin was walking around the shiny new car, admiring it. Is this your car, Mister
1. NASA will have to try again tomorrow. Bad weather forced Mission Control to call off today's scheduled launch of Discovery at the last minute. NASA will try again tomorrow but bad weather is still
This is the VOA Special English Health Report. A pacemaker is a small device that doctors place in people with an abnormal heartbeat. If a heart beats too slowly, the pacemaker will use electrical signals to help set a normal rate. Some devices inclu
Major Progress in Health Through Technology From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move a robotic arm. We tel
(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: So it has been a year now since a gunman killed 49 people at the Pulse nightclub in Orlando. And today on StoryCorps, we're going to remember Deonka Drayton, one of the people murdered that night. She was 32 a
黄金一直是高品质、美丽和财富的象征。称某种东西为金质的意味着它具有很高的质量和价值。今天我们通过例子来学习一下和golden有关的习语英语词汇吧~ 1.the golden rule 金科玉律;指导原则
From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about a woman who can use signals from her brain to move a robotic arm. We tell about efforts to develop an experimental g
Lesson 334 Your pulse is regular. 1.Your pulse is regular.您的脉搏正常。 2.I have a regular diet.我的饮食是有规律。 3.I'm not a regular lawyer.我不是正式的律师。 4.He has no regular work.他没有正式的工作。 5.It's my
Only in the agony of parting, do we look into the depths of love. 语音讲解 单词发音 agony n.苦恼;极大的痛苦;临死的挣扎 parting n.分手;分离;分界点 depth n.(海洋)深度;深奥 连词发音 only in the agony of 轻读
在英语学习中,how与what是很常用的,在许多情况下,两者用法极为相似,只是句型结构稍有不同。 在许多情况下,两者用法极为相似,只是句型结构稍有不同: 1. 两者均可用来引出感叹句,
Lana measured Stubway's foot long sandwich. It didn't measure up. It was 11 inches long. She measured her friend's foot long. It was a tad longer, at 11.5 inches. For the next three months, Lana measured Stubway's sandwiches. She got her Facelook fri
How vain and foolish, then, thought I, 于是,我心里想, for timid untravelled man to try to comprehend aright this wondrous whale, by merely poring over his dead attenuated skeleton, stretched in this peaceful wood. 那些足不出户的胆小鬼
Alzheimer's disease or AD is an illness that seriously affects senior citizens. It causes memory loss, and patients may even gradually lose some of their basic physical abilities. But now researchers in the U.S. are using technology to reduce memory