单词：aluminum oxide implant
单词：aluminum oxide implant 相关文章
Hungry Lasagna So you made lasagna last night, and it was delicious. You saved the leftovers by wrapping aluminum foil over the top of the pan, and putting it in the fridge. When you get hungry today, you go to look for that lasagna, but it looks lik
英语听力文摘 English Digest
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
Spinal Implant Helps Paraplegics Regain Some Functions 脊椎植入装置改变瘫痪者生活 Severe spinal cord injuries usually lead to total loss of control of lower extremities, as well as bladder, bowel and sexual functions. But scientists at t
VOA标准英语2014年(四月)
Soon after taking up his position, Davy began to bang out new elements one after anotherpotassium, sodium,magnesium, calcium, strontium, and aluminum or aluminium, depending on which branch of English you favor. 上任不久，戴维开始宣布发现一
万物简史
PARIS, Dec. 23 (Xinhua) -- French health authorities on Friday urged 30,000 women to remove the local-made breast implant, pledging that relevant expenses would be covered by the state. The health ministry said in a statement that they spot no increa
英语新闻
Building a Better Mirror for Telescopes 为望远镜打造更优质镜面 To study the heavens, it's all about the photons. We in astronomy are always greedy. We want every photon we can collect. Drew Phillips, astronomer at University of California
2017年Scientific American(九)月