单词：radium-
单词：radium- 相关文章
[00:42.81]Lesson 1 1 Dialogue [00:48.46]Four doctors are at a medical conference. [00:53.32]A:Which speech are you going to listen to this afternoon? [00:58.36]B:I haven't decided.There's a talk on cancer that might be quite interesting, [01:05.23]so
高中英语人教版高三
[00:02.25]第一单元 居里夫人 [00:04.49]Lesson 1 [00:05.97]第一课 [00:07.44]1 Dialogue [00:09.21]1 对话 [00:10.97]Four doctors are at a medical conference. [00:13.34]四个医生在医学会议上 [00:15.70]A:Which speech are you going to
高中英语人教版2000年高三
玛丽居里（Marie Skłodowska Curie，1867-1934年）世称居里夫人，全名：玛丽亚斯克沃多夫斯卡居里。 法国著名波兰裔科学家、物理学家、化学家。1867年11月7日生于华沙。 1903年，居里夫妇和贝克勒
英语名人堂
[00:39.99]1.Is it a good conference this year? [00:44.75]No,not as good as last year's. [00:50.81]2.Do you think speaker D will go to listen to a speech? [00:58.17]No,he's not going to any speech. [01:03.32]Instead,he's going out for a walk. [01:29.8
高中英语人教版高三
MARY LOUISE KELLY, HOST: In the early days of the 20th century, radium factories in New Jersey and Illinois employed mostly women to paint watch faces and clock faces with luminous paint. The paint got everywhere - hair, hands, clothes. They were cal
2017年NPR美国国家公共电台4月
Marie Curie was born in 1867. She is one of the greatest scientists ever to have lived. She was a pioneer in the field of radioactivity and discovered the chemical elements radium and polonium. Curie is the only person ever to win two Nobel Prizes in
世界名人简介