单词:radium decay
单词:radium decay 相关文章
[00:02.68]no,see,the liquid-metal termators were created in the future by skynet, 不对 液态金属人是在未来由天网创造 [00:06.60]and skynet was developed by miles dyson, 而天网是由Miles Dyson开发 [00:08.64]but that future no longe
[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
[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
This is Scientific Ameicans 60-Second Science. Im Steve Mirsky. Got a minute? Would you mind telling me what this is all about, Mister? No problem, Captain. A study in the Journal of Applied Physiology shows that artificial gravity should prevent a b
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
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
Robert Herrick (1591-1674) Fair Daffodils, we weep to see You haste away so soon: As yet the early-rising Sun Has not attained his Noon. Stay, stay, Until the hasting day Has run But to the Even-song; And, having prayed together, we Will go with you
[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
[00:01.17]It has also been proven that chewing gum [00:03.50]for long periods of time means [00:05.48]that the body does not have time to rest. [00:07.72]If this is the case, [00:08.95]the stomach may become tense. [00:10.85]Eventually this could lea
[00:02.81]Unit 21 Human Biology Lesson 1 Chewing Gum [00:09.19]TO CHEW OR NOT TO CHEW... [00:12.21]Diet specialists regularly inform us [00:14.82]that it is important to chew our food properly. [00:17.74]They suggest that if we chew our food [00:19.7
Today the U.S. government keeps an eye on health and safety in the workplace. But that wasn't always the case. Americans workers can thank a little-known factory worker for sparking the sweeping changes that now protect them on the job. Worker traged
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
used to v used (否定式简写为usedn't)过去经常,以前常常 Weusedtogothereeveryyear. 我每年都去那儿。 Heisnotwhatheusedtobe. 他已不是旧日的他了。 Itusedtobebelievedtha
Plastic Pollution NB: This is not an accurate word-for-word transcript Dan: Hello and welcome 6 Minute English from the BBC. Im Dan Walker Smith and today Im joined by Kate. Kate: Hello Dan. Dan: Now today Kate and I are talking about pollution. Kate
Crooked Still,04年成立的乡村乐队,没有吉他贝斯,歌曲中洋溢的是提琴、班卓琴的精致旋律,女声清甜可人,这首Florence的前奏总让人觉得非常熟悉,似乎是回荡在记忆中很久远了的音乐。 F
还记得f(x)最新主打曲目《初智齿》吗?初恋就像长智齿一样,会疼但却是必然要经历的。今天带大家学习一下智齿用英文怎么说?在生活中学英语,一定要慢慢积累哦。 智齿的英文怎么说? wisd
LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin
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
Steve: Hi, this is Steve. I'm going to talk about Japanese Onsen. Onsen is like a public bath, where men go, or women, in separate areas of course, and enjoy very hot baths. I like it very much because it's very relaxing and it's very healthy. They h