成串期前收缩

salvo premature beat的用法和样例:

例句

  1. Long-term isoproterenol infusion also induced premature entricular contractions and atrioentricular heart block in junctin-null mice.长期异丙肾上腺素输入也可在连接素缺陷小鼠诱发室性期前收缩和房室传导阻滞。

Ross Dunn Witnesses say hundreds of Israeli soldiers have been deployed in southern Gaza. The forces, which include armored, engineering and infantry units, backed by tanks, bulldozers and helicopter

发表于:2018-12-08 / 阅读(48) / 评论(0) 分类 VOA2004(上)--巴以冲突

By Jim Teeple Jerusalem 30 March 2006 Israelis went to the polls this week to vote in their fifth election in 10 years. Many people in Israel said it was the most important election in years, but vote

发表于:2019-01-13 / 阅读(92) / 评论(0) 分类 2006年VOA标准英语(三月)

Cara Dillon:她出生于1975年,来自一个爱尔兰传统音乐世家。她的声音如此清透美丽而极具风格,让观众们觉得相间恨晚。用这样一句话来形容Cara Dillon不足为过:Cara Dillon是个不寻常的天才! 14岁的时候,Cara Dillon就赢得了全爱尔兰传统歌唱比赛冠军。在开始她自己

发表于:2019-02-04 / 阅读(149) / 评论(0) 分类 音乐咖啡厅

LOS ANGELES, May 8 (Xinhua) -- The crown of the North America box office was stormed by a hammer-wielding god from Thor, the latest in the Marvel Studios productions, as the Paramount- distributed epic adventure opened with 66 million dollars in esti

发表于:2019-02-05 / 阅读(265) / 评论(0) 分类 英语新闻

unit 410 打越洋电话至北京 dialogue 英语情景对话 A:Opercrtor, I want to make a collect overseas phone call to Beijing. A:接线生,我要打一通对方付款的越洋电话到北京。 B:Whom would you like to talk to? B:您要找哪?

发表于:2019-02-15 / 阅读(163) / 评论(0) 分类 高频英语口语对话

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 ation (用于名词)动作(造成的状态或结果) accommodation n.招

发表于:2019-02-21 / 阅读(41) / 评论(0) 分类 英语PK台