音标:[.pɒli'eθili:n] ;
n. 聚乙烯
[化] 聚乙烯
n. a lightweight thermoplastic; used especially in packaging and insulation
词型变化:名词复数形式 : polyethylenes
词性分布:
名词100%

polyethylene的用法和样例:

例句

用作名词(n.)
  1. Polyethylene is an excellent barrier to water vapor.聚乙烯保水蒸汽的性能良好。
  2. This order shall be packed in cartons with polyethylene tops.这批货的包装是用顶部带有聚乙烯的纸箱。
  3. It virtually consists of an empty chamber completely lined with polyethylene.它实际是一台完全用聚乙烯作衬里的空腔室。

词汇搭配

  • polythene聚乙烯
  • polyethylene pipe聚乙烯管
  • polyethylene glycol[化]聚乙二醇...
  • polyethylene rope聚乙烯绳
  • polyethylene bag聚乙烯袋
  • crosslinked polyethylene交联聚乙烯
  • branched polyethylene高压聚乙烯
  • polyethylene oil聚乙烯油
  • polyethylene film聚乙烯薄膜
  • linear polyethylene线型聚乙烯
  • polyethylene plastic聚乙烯塑料
  • polyethylene capacitor聚乙烯电容
  • chlorinated polyethylene聚氯乙烯
  • polyethylene oxide聚环氧乙烷
【近义词】

情景对话: Walter: Not hydrofluoric. 氢氟酸就不会。 Jesse: Why not? 为什么不会? 知识点笔记: hydrofluoric 氢氟酸 1. 确定辅音 相对来说,辅音变化最少。 单词中 h,dr,fl,r 和 c, 都没有特殊和奇怪

发表于:2018-12-18 / 阅读(95) / 评论(0) 分类 英国学生科学读本

Why Teflon Is Slippery Teflon is the trademark name for PTFE, a type of plastic. If you own any non stick cookware, then you probably use PTFE on a daily basis. You might not realize, as you fry your morning eggs, that PTFE is one of the most slipper

发表于:2019-01-22 / 阅读(286) / 评论(0) 分类 英语时差8,16

Yael: I have a question for you, Don. Paper or plastic? Don: Not that question again, Yael. Does anyone really care whether their groceries are put in plastic or paper bags? Y: Sure they do. In fact, the city of San Francisco has taken an interest in

发表于:2019-02-23 / 阅读(103) / 评论(0) 分类 英语时差8,16

Why Teflon Is Slippery? 1954年,法国工程师马克格雷瓜尔(Marc Gregoire)的妻子柯莱特(Colette)突发奇想,觉得丈夫用来涂在钓鱼线上防止打结的不粘材料特氟龙(Teflon)如果可以用在煎锅上,效果一定不错

发表于:2019-02-24 / 阅读(153) / 评论(0) 分类 英语听力文摘 English Digest
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