- 涤纶
- polyester fibre
- 涤纶
- dacron
- 理论
- theory
- 理论家
- theorist
- 理论家
- theoretician
- 立论
- express [or present, voice] one's view
- 立论
- present [or put forward] an argument
- 立论
- express [or give, offer] one's opinion
- 议论
- comment
- 议论
- opinion
- 发表议论
- make comments
- 发表议论
- give one's opinion
- 议论
- talk
- 议论
- discuss
- 议论
- comment
- 议论
- deliberate
- 奥纶
- Orlon