单词：chromosome image
单词：chromosome image 相关文章
Do you resemble someone famous? Jo: Hello, this is Real English from BBC Learning English, Im Jo. Sun Chen: 嘿，你好吗？我是孙晨。 Jo: In Real English, we look at words and phrases that you might not find in your dictionary. Sun Chen: 你是不是已经发
地道英语在线听
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
大家都知道spit的意思是“唾液”。可奇怪的是，有一个和spit相关的词组spit and image的意思却是“和……一模一样的（人或东西）”。 语源学界普遍接受的
英文语法词汇
今天我们要讲的两个习惯用语有同样的意思。它们都用来说某一个人非常像另一个人。第一个习惯用语是：dead ringer。 Ringer原来意思就是酷似某人的人或者很像某物的东西. Ringer有时可以指冒名
美国习惯用语
1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比，草饲牛肉中某种有益健康的营养素含量更高，并让脂肪呈现黄色，这种
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