单词：alginate impression material
单词：alginate impression material 相关文章
It didnt take long for Violet and Jessie to measure and cut the material. By the time they finished, Benny had filled two small bags with peppermint drops, and Henry had chosen a blue dog collar for Watch. The children and Aunt Jane walked over to th
28 The Mystery Girl
By Deborah Tate Capitol Hill 28 April 2006 A panel of experts gathered on Capitol Hill Friday to discuss efforts to prevent terrorists from obtaining enriched uranium and plutonium to make bombs. ----
2006年VOA标准英语（四月）
北京奥运28大项 参与，竞争，分享，进步 Flatwater 皮划艇静水 英文原文 All kayaks and canoes shall carry a vertical plate, made of non-transparent material, marked with black numbers on a white background, indicating the lane. The numbers on the plate
奥运28大项比赛
My husband and I are both writers. During dinner conversations, we often tell our children about our working days. It wasn't clear how much they absorbed until one day I overheard my seven-year- old,
英汉幽默故事选读
Brazilian aircraft searching for an Air France jet that disappeared with 228 people onboard in an Atlantic storm have spotted debris in the ocean. Members of Brazilian Pelican military squad prepare to depart from Campo Grande, Mato Grosso do Sul, t
VOA标准英语2009年(六月)
The focus of the Global Security Summit - to answer how to secure nuclear stockpiles against terrorists A unique two-day summit expected to bring together more than 40 heads of state and government will open in Washington April 12. As VOA reports, th
VOA标准英语2010年(四)月