“顶尖”的英语？

“顶尖”的拼音为：dǐng jiān...

英国最顶尖的教练大都坐在台边区。Most of the top British trainers were at the ringside.克莱恩本可以从世界顶尖模特中想选谁就选谁。Klein could have had his pick of the world's top models.我们的科学研究是顶尖的。Our scientific research is second to none....