Exercise dilates blood vessels on the surface of the brain.运动会使大脑表层的血管扩张。Standard measurements of blood pressure are an important but crude way of assessing the risk of heart disease or strokes...标准的血压测量是评估患心脏病或中风几率的一个重要...
He wiped away the blood with a paper napkin.他用纸巾将血迹擦去。I'm a blood donor; I can't risk any contagion.我是献血者，我不能冒任何接触传染的危险。The victim suffered a dreadful injury and lost a lot of blood.受害者受了重伤，大量失血。...
该文是以对话的形式写成的.The article is written in a conversational style.她认为这些谈话将是一次具有建设性的、有意义的对话的开端。She believes these talks will be the start of a constructive and mean-ingful dialogue.她自学了叙事和对话的技巧.She taught herself the techniqu...
Guaranteeing the safety of students requires continued vigilance on the part of teachers.要确保学生安全,教师得时常保持警惕.This tradition of guaranteeing anonymity began to develop quickly.这种担保匿名的传统便开始迅速扩展开来.Thethe goal , keeping improv...