扩英文怎么写

织大量增加，血总循环量随之增加，心输出量和心搏出量加大，加重左心负荷，出现高搏出量心衰，构成匹克威克综合症。病人表现为呼吸困难，不能平卧，间歇或潮式呼吸，脉搏快速，可有紫绀、浮肿、神志不清、嗜睡、昏睡等。

一般表现

体重超过标准10%~20%，一般没有自觉症状。而由于浮肿致体重增加者，有的患者日常生活如弯腰提鞋穿袜均感困难，特别是饱餐后，腹部膨胀，不能弯腰前屈。负重关节易出现退行性变，可有酸痛。脊柱长期负荷过重，可发生增生性脊椎骨关节炎，表现为腰痛及腿痛。皮肤可有紫纹，分布于臀部外侧、大腿内侧及下腹部，较皮质醇增多症的紫纹细小，呈淡红色。由于多汗，皮肤出现折皱糜烂、皮炎及皮癣。

1,2050 years of high school students almost no operating burden, they only need to learn to use computers and computer programming 2, if sick, do not have to go to the hospital, the computer can be a doctor, or even surgery. 3, to travel on the Moon and Mars, many people have settled there, on Earth no longer have the phenomenon of traffic congestion in 4, people have made contact with alie。

jack:hey,marry

marry: hello!jack

jack: resently two year chinese foreign trade company's exports has been changing.

marry: really?what about this?i know the information that last year its export volume increased compared with the previous year.

jack:yes,you are reality.but this year it has decreased compared with the corresponding period of last year.