标记信息素

[00:00.00] Unit 7 Helping at home [00:04.70]A.Look and say. Listen [00:10.06]what can your robot do? He can sweep the floor. [00:16.72]Now say [00:19.77]what can your robot do? [00:25.34]He can sweep the floor [00:30.98]sweep the floor [00:36.13]wash

发表于:2018-12-12 / 阅读(61) / 评论(0) 分类 人教版PEP英语(2012版) 三年级

Science and Technology 科技 Sexual Attractiveness: My chemical romance 性感吸引:我的化学浪漫 Two putative human sex pheromones turn out not to be. 关于人类的两种性信息素的假说被证明是不成立的. For several decades b

发表于:2018-12-30 / 阅读(37) / 评论(0) 分类 经济学人科技系列

Dr Hare and his colleagues took 43 men and 51 women, all of them straight, and gave them two tasks. Hare博士和他的同事们找了43名男性和51名女性,他们都是异性恋,给了他们两个任务。 One was to decide whether an androgy

发表于:2018-12-30 / 阅读(40) / 评论(0) 分类 经济学人科技系列

This is the VOA Special English Agriculture Report. Back in the year two thousand, big producers of poplar trees in the American Pacific Northwest needed help. Their hybrid poplars, nearly ten years old, were under threat. Young insects were getting

发表于:2019-01-11 / 阅读(127) / 评论(0) 分类 VOA慢速英语2008年(二)月

这是一封有关装船细节的通知书。Consignmet 是发送;as stipulated 是按照规定;marking 是标志,俗称唛头;MS 是motor ship的缩写,意思是柴油机船。clean B/L 是清洁提单;sight draft 是即期汇票,也就是

发表于:2019-02-11 / 阅读(53) / 评论(0) 分类 实用英语

We are going to catch things in this podcast, and yes there will be a new phrasal verb as well to catch up with. Like many common English verbs, catch is irregular. The past tense of catch is caught. So, I catch, I caught, I have caught. If you look

发表于:2019-02-19 / 阅读(44) / 评论(0) 分类 听播客学英语