stem

英 [stem]

美 [stem]

n.  (花草的)茎; (花或叶的)梗，柄; (高脚酒杯的)脚; 烟斗柄
v.  阻止; 封堵; 遏止

过去式：stemmed　 过去分词：stemmed　 现在分词：stemming　 复数：stems　 第三人称单数：stems

大学英语四级 大学英语六级 考研 雅思 GRE 英语专业四级 英语专业八级

双语例句

• All my problems stem from drink
  我所有的问题都源于酗酒。
• Wild rice stem belongs to herb of marsh of gramineous vivacious perennial root.
  茭白属于禾本科多年生宿根沼泽草本植物。
• Objective To establish an efficient method for isolation and culture of mesenchymal stem cells from mouse bone marrow.
  目的建立一种从小鼠骨髓中分离培养间充质干细胞的高效方法。
• The scientists said they developed stem cell lines from two of these cells.
  科学家们称他们从这些细胞中的两个细胞中发展了干细胞序列。
• He stooped down, cut the stem for her with his knife and handed her the flower.
  他弯下腰，用刀替她将花茎割断，然后将花递给她。
• He developed embryonic stem cells that could produce mice that carried new genetic material.
  他发展了胚胎干细胞，此类细胞能够产生携带新遗传物质的小鼠。
• He told the magazine in an exclusive interview: 'All my problems stem from drink'.
  他在接受一家杂志社的独家采访时说：“我所有的问题都是饮酒造成的。”
• Sedge is similar in appearance to grass but has a solid rather than a hollow stem
  莎草看上去和普通的草没什么两样，但其草茎是实芯的而不是空芯的。
• We will need to finance research in technology innovation and biotechnology, including stem cell research.
  我们需要为技术创新和生物技术提供研究资金，其中包括干细胞研究。
• Mesenchymal stem cells can differentiate into bone, fat, cartilage and other types of cells.
  间充质干细胞能分化成骨、脂肪、软骨和其他种类细胞。