夏纪梅（2002）的调查也显示，90％的被试教师认为自己在大学英语课堂上的主要角色是“语言讲解者”和“语言示范者”。

The investigation of Ms. Xia Jimei (2002) also shows that 90% teachers consider mat the main role of college English teachers is as a language instructor.

youdao

本文将重点讲解从服务请求者到服务提供者的水平箭头(绑定)。

This article will focus on the horizontal arrow (bind) from the service requester to the service provider.

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这些开发者将亲手向观众演示他们的应用，讲解他们构建应用的过程，并回答观众的提问，和观众交流意见。

These developers will be on hand to demo their apps, talk about how they built them, answer questions, and exchange ideas.

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And that for centuries thereafter, different rhapsodes repeated it but elucidated it, illuminated it, extended it, changed it, tried to improve it, sometimes they added stuff.

在这之后的几个世纪里,不同的史诗吟诵者重复着,讲解着,阐释着 拓展着,变化着,尝试改进着,有时还添油加醋

耶鲁公开课 - 古希腊历史简介课程节选