单词：balanced chromosome
单词：balanced chromosome 相关文章
提起diet大家都知道有节食的意思。那么，你知道diet作为节食的时候究竟应该怎么用吗？ Diet除了表示节食的意思，也可以单纯表示饮食习惯，是中性词哦~ 1. Go on a diet 节食减肥 2. Be on a diet 节
每天三分钟学英语
Some people eat to live, but there are others who live to eat. To live a long and healthy life, we must learn to have a balanced diet. A balanced diet simply means a bit of everything. A diet which in
赖世雄初级美国英语
Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for
2005年NPR美国国家公共电台
This is the VOA Special English Health Report. A miscarriage is the natural loss of a pregnancy before the twentieth week. This happens to as many as twenty percent of known pregnancies. Experts say many pregnancies end before a woman even knows she
2010年VOA慢速英语(八)月
By Lisa Schlein Geneva 27 November 2007 The United States is urging the International Red Cross Movement to adopt, what it calls, a more balanced approach in dealing with the consequences of climate change. More than 1,500 representatives attending t
VOA常速英语2007年（十一月）
Now just what are the tips in China's new dietary guidebook that will help you stay fit and keep the doctor away? Diversity is key. That means eating a balanced combination of all four of the major food groups on a daily basis. Carbohydrates from gra
cctv9英语新闻2016年