单词：4-aminopterin
单词：4-aminopterin 相关文章
今天要学的一个词组是：opt for。 Opt for就是选择。比如，美国国务卿赖斯在紧张处理中东事务后： ...opted ...for a piano recital featuring classical pieces for her performance..., 意思是她选择举行钢琴独奏会
英语每日一词
by Adam Freedman Todays topic: Nullification. Can states opt out of federal laws they dont like? And now, your daily dose of legalese: This article does not create an attorney-client relationship with any reader. In other words, although I am a lawye
法律英语 Legal Lad
Nonprofits Help Elderly Immigrants in New York City For five hours a day, three days a week, more than 150 aging Bangladeshis exercise, eat, pray and talk together at the Jamaica Muslim Center in Queens, New York. A few kilometers away, at the Desi S
2017年VOA慢速英语(七)月
Maura has two sisters. In this episode, you get to meet one of them! Erin recently visited Maura in Montreal, so Maura took the opportunity to interview her about her travels. Erin has visited many countries and lived abroad, and Maura wanted to ques
英语博客-北美风情
The Facts on Faminism 柳暗花明女权路 The word feminism conjures up a variety of images for people. A lot of misunderstanding and hyperbole have surrounded feminism, but according to the dictionary, feminism is simply a movement for the social,
双语有声阅读
At sundown in Nigeria, children are playing a game called egalagala. The children play near their home. As they play, their mother looks sad. Their two older brothers, Abuna and Dunoma, are missing. They were arrested in 2013 by Nigerian soldiers. Th
2018年VOA慢速英语(十)月
We start in Philadelphia where three young men have turned themselves in to face assault charges. This is where these violent flash mob attacks plaguing the city. Police say these men actually put a man in the hospital. The mayor there has promised c
CNN2011年(八)月
This is the VOA Special English Health Report. Autumn and winter are cold and flu season -- when people are most likely to catch the viruses that cause influenza and the common cold. Is the old advice true that dressing warmly will help prevent a co
VOA慢速英语2008（十）月
Growing Number of Runners Opt to Run in Bare Feet Michele Musacchio runs without shoes whenever she can. She started running in her bare feet nine months ago because she was looking for a way to exercise without joint pain. My hips had been hurting,
VOA标准英语2012年(五月)
For years, the U.S. funeral industry was considered recession proof but today, even the bereaved are scaling back and paying more attention to cost. Many families are forgoing traditional burials for less expensive cremations. It's a change that's ha
VOA标准英语2010年(九)月
Five bodyguards were killed. Earlier in the day, a suicide bomber killed at least 16 people in southwestern Afghanistan, while two roadside bombs killed 4 others in eastern Afghanistan. Sean Maroney | Kabul 20 November 2009 Photo: AFP Afghan policem
VOA标准英语2009年(十一月)
VOA2004（上）--各类新闻
今天要学的一个词组是：opt for。 Opt for就是选择。比如，美国国务卿赖斯在紧张处理中东事务后： ...opted ...for a piano recital featuring classical pieces for her performance..., 意思是她选择举行钢琴独奏会
英语单词荟萃
67 维生素C能否破坏DNA？ DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59
科技之光
DEVELOPMENT REPORT – April 15, 2002: Vitamin-Enriched Drinks By Jill Moss This is the VOA Special English Development Report. The Coca-Cola Company is developing a new healthy drink for people in de
农业与发展
By Doug Levine Washington 09 April 2006 Jazz has always embraced youth. Vocalists Billie Holiday, Ella Fitzgerald and Sarah Vaughan were in their teens when they were first discovered. So were Nat
2006年VOA标准英语（四月）
Two-time U.S. Olympian Erin Hamlin is the first American woman to win a luge world championship Two-time U.S. Olympian Erin Hamlin is the first American woman to win a luge world championship. In Vancouver, she is attempting to become the first U.S.
VOA标准英语2010年(二月)
DAVID GREENE, HOST: Call this the freezing out of frozen food - you know, TV dinners, which were a novelty when they first showed up in national supermarkets back in the 1950s. (SOUNDBITE OF AD) UNIDENTIFIED VOICE ACTOR: It's the first and only three
2018年NPR美国国家公共电台5月
今天要学的一个词组是：opt for。 Opt for就是选择。比如，美国国务卿赖斯在紧张处理中东事务后： ...opted ...for a piano recital featuring classical pieces for her performance..., 意思是她选择举行钢琴独奏会
学个词
French nuclear energy 法国核能 Under pressure 压力之下 France wants to export nuclear reactors. Who will buy them? 法国想出口核反应堆，谁人将买？ FOR France, nuclear power has long been a source of national pride. Its European
经济学人综合