单词：biological marker
单词：biological marker 相关文章
Broadcast: Jan 10 2003 The Pentagon has issued a statement 2) asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assert
VOA2003（上）-健康之旅
marker phrases This programme was first broadcast in 2001. This is not an accurate word-for-word transcript of the programme. ANNOUNCER: Its time for Academic Listening - a series for students at English-speaking universities. For more on the struct
英语讨论
This is the VOA Special English Health Report. Cardiovascular disease is the world's leading cause of death. It includes heart attack, stroke and high blood pressure. Over the years, researchers have identified several substances in the blood that c
VOA慢速英语2009年（七）月
The tutor handed the black marker to his student. She was learning English. She constantly spoke to him in Russian, even though he hardly knew net from da. She wrote the two contractions for he is not on the whiteboard. He said, Very good. She smiled
英文短篇故事（纽约）
AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living
农业与发展
Perfume and new marker 香水和麦克笔 词汇扫描 Instructional assistant 指导员助理 Second-graders 二年级生 Perfume 香水 Marker 麦克笔 英文原文 As an instructional assistant for a public school, part of my job involves teachin
英语笑话（MP3+文本）