音标:['silkwә:m] ;
n. 蚕
n. the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk
n. larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon
词型变化:名词复数形式 : silkworms
词性分布:
名词100%

silkworm的用法和样例:

例句

用作名词(n.)
  1. Silkworms make cocoons.蚕做茧。
  2. The silkworms are producing well.这些蚕的吐丝量很大。
  3. Silkworm culture is practised in order to get silk.养蚕是为了得到蚕丝。

词汇搭配

  • silkworm moth蚕蛾
  • silkworm cocoons蚕茧
  • silkworm chrysalis蚕蛹
  • silkworm droppings蚕沙
  • silkworm breeding养蚕
  • tussah silkworm榨蚕
  • silkworm cocoon蚕茧
  • oily silkworm油蚕
  • silkworm disease蚕病
  • silkworm egg蚕蛋,蚕种
  • young silkworm稚蚕
  • silkworm dropping蚕沙
  • wild silkworm天蚕,野蚕
  • silkworm gut蚕肠线
  • batryticated silkworm僵蚕
【近义词】

Fifteen hundred years ago in China, silk production was a state secret. The silk trade was so valuable that anyone who tried to take silkworm eggs or mulberry seeds out of China was put to death. Then in 552 AD, two monks smuggled silkworm eggs to Co

发表于:2018-12-28 / 阅读(159) / 评论(0) 分类 初学者听力文摘精选

Survival Of The Sluggish Silkworms have been bred over thousands of years to behave quite unlike their caterpillar cousins in the wild. Thats because people purposely breed silkworms to fit this job description: WANTEDSuperlative silk producers. Bene

发表于:2018-12-31 / 阅读(114) / 评论(0) 分类 英语听力文摘 English Digest

Secrets Of Silk Production Fifteen hundred years ago in China, silk production was a state secret. The silk trade was so valuable that anyone who tried to take silkworm eggs or mulberry seeds out of China was put to death. Then in 552 AD, two monks s

发表于:2018-12-31 / 阅读(104) / 评论(0) 分类 英语听力文摘 English Digest

1500年以前,丝绸的生产是中国的国家机密 Fifteen hundred years ago in China, silk production was a state secret. The silk trade was so valuable that anyone who tried to take silkworm eggs or mulberry seeds out of China was put to death

发表于:2019-01-26 / 阅读(151) / 评论(0) 分类 英语听力文摘 English Digest

Silkworm s and Skin Graft s Don: One of the neater things thats going on in biology is the genetic modification of species. By changing the instructions in their genes, we can make certain plants and animals produce things that are useful to humans.

发表于:2019-02-16 / 阅读(120) / 评论(0) 分类 英语听力文摘 English Digest
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