The verbs let, allow and permit are part of a group of verbs called causatives. These verbs express how one person or thing causes something else to happen. For instance, if I said, She let me borrow the book, the subject (she) is not the person who

发表于:2018-11-27 / 阅读(494) / 评论(0) 分类 2018年VOA慢速英语(十一)月

Overpopulation is a real problem. It could kill the Earth. Very soon, there will be too many people and not enough land. There wont be enough farms to grow food for everyone. Well eat all of the fish in the sea. And our pollution will cause more glob

发表于:2018-12-04 / 阅读(100) / 评论(0) 分类 听一分钟英文-O

Adenovirus 腺病毒 Affected area 疫区 Antiviral 抗病毒 Avian influenza (bird flu) 禽流感 Bilateral pulmonary multiple change 双肺多发性改变 Blood count, 血细胞计数 blood cult

发表于:2018-12-08 / 阅读(41) / 评论(0) 分类 医务英语

Research is a very important thing. Without research, wed have no new products. Our food would be more dangerous to eat. And wed never go to the moon. Id like to see my government spend a lot more money on research. Especially on research into diseas

发表于:2018-12-28 / 阅读(59) / 评论(0) 分类 听一分钟英文-R

1. expose,使暴露于;使接触到。 段中的 I have been exposed to Chinese medicine指我已经接触到中医学。 eg:They had not been exposed to most diseases common to urban populations. 他们未曾遭遇城市人口常得的大多数疾病。

发表于:2019-01-17 / 阅读(105) / 评论(0) 分类 蒋健棠教你听英语广播

Overpopulation is a real problem. It could kill the Earth. Very soon, there will be too many people and not enough land. There wont be enough farms to grow food for everyone. Well eat all of the fish in the sea. And our pollution will cause more glob

发表于:2019-01-21 / 阅读(27) / 评论(0) 分类 纯正英语一分钟