单词:4-aminopterin
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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
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
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
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
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
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