[网络] 硫化氢

VOA慢速英语--泳者见证香港水域三十年的水质变化

Sandy Lam has been rising early each day to swim in the waters off Hong Kong Island for nearly 30 years. Lam is 68 years old. He is part of a small community of about 50 people mostly older adults who often use the Sai Wan Swimming Shed. The small bu

发表于:2018-12-16 / 阅读(36) / 评论(0)

2018年VOA慢速英语(十一)月

英国学生科学读本第92期:一盒火柴(1)

Lesson 92 A Box Of Matches 第92课一盒火柴 We need fire every day, to warm our houses, or to cook our food, or to give us light. 我们每天都需要利用火来给房间加温、烹饪、照明。 Even savage tribes use fire for such purposes

发表于:2018-12-18 / 阅读(57) / 评论(0)

英国学生科学读本

美国学生世界地理教材第60期:战神的国家(3)

Up in the Sierra Madre Mountains, in a bowl-shaped valley, is the capital of Mexico. 在马德雷山脉上有一个碗形的山谷，里面坐落着墨西哥的首都， It is called Mexico City, so you dont have to learn a new name. 叫做墨西哥城

发表于:2018-12-28 / 阅读(115) / 评论(0)

美国学生世界地理教材

10-15 来自另一个世界的歌声

Melody 1 from the Other World In October on the east coast of Australia migrating humpback whales 2 pass very close to the shore. With the help of Max Egan, we went to film them near Byron Bay. It was

发表于:2018-12-30 / 阅读(283) / 评论(0)

英语沙龙2004全年合辑下

专业术语—中草药成分英汉对照词汇T1

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(84) / 评论(0)

医务英语

专业术语—中草药成分英汉对照词汇D

D Dahurian Rhododendron Leaf P.E 满山红提取物 Daidzein 大豆甙元 Daidzin 大豆甙 Dandelion P.E 蒲公英提取物 Daphnetin 瑞香素 Daphnin 瑞香甙 Daucosterol 胡萝卜甙 Dauricine 蝙蝠

发表于:2019-01-03 / 阅读(97) / 评论(0)

医务英语

SSS 2008-04-15

This is scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Predicting a hurricanes strength and speed is crucial in order to save property and lives. Right now, the only way to get accurate information is to fly

发表于:2019-01-08 / 阅读(94) / 评论(0)

Scientific American(四)月

SSS 2012-03-07

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov

发表于:2019-01-08 / 阅读(89) / 评论(0)

Scientific American(三)月

英国学生科学读本第57期:硫(1)

Lesson 57 Sulphur 第57课硫 Did you ever have to take a mixture of brimstone and treacle? This mixture has not a pleasant taste, but it is a useful medicine; and if it will do us good, we should not care much whether it has a nice taste or not. 小朋

发表于:2019-01-17 / 阅读(71) / 评论(0)

英国学生科学读本

英国学生科学读本第57期:硫(2)

The fumes of burning sulphur will bleach straw, silk, and other things, and make them white and clean. These fumes are also useful for killing the germs which cause fevers and other diseases. 燃烧的硫磺冒出的烟，可以漂白稻草、丝绸和

发表于:2019-01-17 / 阅读(92) / 评论(0)

英国学生科学读本

2018年CRI Locals hail Uganda's largest hydro power plant project financed by China

Locals in Uganda are lauding a construction project financed by China which is creating the East African country's largest hydroelectric power plant. The 600-megawatt (MW) Karuma Hydroelectric Power Plant is located at the mid-western district of Kir

发表于:2019-01-19 / 阅读(148) / 评论(0)

2018CRI中国国际广播电台

【英文短篇小说】War Dances（2）

HYDROCEPHALUS Merriam-Websters dictionary defines hydrocephalus as an abnormal increase in the amount of cerebrospinal fluid within the cranial cavity that is accompanied by expansion of the cerebral ventricles, enlargement of the skull and especiall

发表于:2019-01-23 / 阅读(189) / 评论(0)

英文短篇小说

Vitamin C and DNA

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

发表于:2019-01-30 / 阅读(107) / 评论(0)

科技之光

【跟着美剧练发音】破产姐妹15

Oh, my God, are you choking? Oh, my God, I feel like you're choking! Is anyone here a doctor? What am I saying? I forgot where I am. Has anyone here ever seen What do you do when a girl is choking? I just back up a few inches. What do we do? What do

发表于:2019-02-16 / 阅读(67) / 评论(0)

跟着美剧练发音

【英语语言学习】上瘾与疼痛

SCOTT SIMON, HOST: The debate on approving new drugs to treat pain can sometimes get as polarized as abortion or gun control, as the number of people who become addicted or who have died from overdoses of legal painkillers increases. Several states a

发表于:2019-02-16 / 阅读(68) / 评论(0)

英语语言学习

英闻天下——242 China Timetables Fuel Quality Upgrade

The State Council, China's cabinet, has released its timetable to upgrade fuel quality nationwide before 2017. The new standard for petrol and diesel, with sulphur content within 10 parts per million, is expected to be in practice nationwide by 2017.

发表于:2019-02-21 / 阅读(67) / 评论(0)

英闻天下

雅思写作优秀范文精选：电力生产燃料源

The charts compare the source of electricity in Australia and France in the years 1980 and 2000. Between these years electricity production almost doubled, rising from 100 units to 170 in Australia, and from 90 to 180 units in France. In 1980 Austral

发表于:2019-02-25 / 阅读(88) / 评论(0)

托福英语

医学病症词典十三

His's perivascular Chinese希斯血管周隙(脑与脊髓血管动脉外膜和神经胶质血管周围界膜之间的间隙) His's zones Chinese希斯区(胚神经管的四个纵增厚束) Histology Chinese组织学 Hitzig's gridle Chinese希茨希带(与乳房同高的一环状痛觉缺失区) Hitzig's test Chinese

发表于:2019-02-26 / 阅读(109) / 评论(0)

英文语法词汇

夏说英语新闻晨读第166期:气候变暖怎么办

本期内容： Leaders from nearly 200 nations signed an agreement to phase out hydro fluorocarbons, chemicals used in refrigeration and air conditioning. In the 1980s the Montreal Protocol replaced chlorofluorocarbons, which were known to harm the

发表于:2019-03-02 / 阅读(94) / 评论(0)

夏说英语新闻晨读

美国研究生入学考试难句解读-18

Onlywhenasystempossessesnatural orartificialboundariesthatassociate thewaterwithinitwiththehydrologic cyclemaytheentiresystemproperlybe (30)termedhydrogeologic. 只有当某一地质系统拥有自然的

发表于:2019-03-11 / 阅读(212) / 评论(0)

英文语法词汇

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agricultural automation