单词：single wire cord
单词：single wire cord 相关文章
This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin
Scientific American(九)月
WASHINGTON, Nov. 11 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved HEMACORD, the first licensed hematopoietic progenitor cells-cord cell therapy. HEMACORD is indicated for use in hematopoietic stem cell transplantation pro
英语新闻
今天我们要学的词是down to the wire。 Down to the wire, 是直到最后一刻的意思。美国总统大选已经进入倒数计时，星期二一大早，全美各地的投票站就要开门了。 Presidential candidates McCain and Obama ar
英语单词荟萃
今天我们还要学几个美国总统大选中常用的习惯用语。我们曾经说过，英语词汇很多都来自体育运动。今天要学的第一个习惯用语就来自号称皇家运动的赛马: down to the wire。这里的wire指赛马跑
美国习惯用语
今天我们要学的词是down to the wire。 Down to the wire, 是直到最后一刻的意思。美国总统大选已经进入倒数计时，星期二一大早，全美各地的投票站就要开门了。 Presidential candidates McCain and Obama ar
英语每日一词
By Robert Raffaele Washington 06 May 2008 Medical researchers say a simple decision by expectant mothers can mean the difference between life and death for thousands of people. Blood from umbilical cords has been used in life-saving transplants for p
VOA标准英语2008年（五月）