cos是什么意思？

cos

英[kɔs] 美[kɔs, kɑs]

• n. 余弦，动漫角色扮演，以太网上用服务类别，Certificate of Suitability 指的是欧洲药典适用性认证；

例句

• When GAM cDNA was transfected into COS cells, it appears as an 24 kDa expressing band. 将GAM分子cDNA转染COS细胞 后, 细胞裂解液电泳可见一分子量约为24×103的表达带,与预期的分子量相符合.
• I can't see her at all, cos it's too dark. 天太黑，我根本看不见她。
• They wouldn't serve me in any pubs 'cos I looked too young. 这些酒吧都不让我进，因为我看上去太小了。
• Can I just ask something 'cos I'm really quite interested in this. 我能不能问个问题，因为我对这个真的很感兴趣。
• They wouldn't serve me in any pubs 'cos I looked too young... 这些酒吧都不让我进，因为我看上去太小了。
• I had to go early 'cos it's a bastard to get your motor out of the car park. 我得早点走，因为从停车场取车麻烦得要死。

英英词典释义

• Noun
  1. ratio of the adjacent side to the hypotenuse of a right-angled triangle
  2. lettuce with long dark-green leaves in a loosely packed elongated head