Teaching effect of teacher-student interaction is often difficult to obtain direct teaching.
师生互动的教学效果往往是直接讲授难以取得的。This article is not meant as a substitute for a security analyst or to teach hardcore security skills.
本文不旨在成为安全分析师的替代，也不讲授核心安全技能。He said he shortchanges his lecture on the accords because of North Carolina's recommendation that he also cover the airlines.
他说他缩短了讲授关于协议的时间，因为北卡罗来纳洲的建议他同样提到了航空公司的事情。When he returned, to Fowkes's astonishment, the professor began to deliver not the next lecture in the sequence but the one after.
当他回来时，他惊奇地发现教授没有按顺序开始讲授下一课，而是讲再下面一课。However, occasionally the Headmaster would come in and spend an hour or so , teaching some subject in which he was especially interested.
但是，校长偶尔也会到班里来，用上大约一个小时讲授一些他特别感兴趣的课程。Somebody at Penn must have listened to me (or one of the other complainers), because that course is now taught in Java.
宾夕法尼亚大学里一定有人听到了我的呼声（或者听到了其他抱怨者的呼声），因为如今这门课讲授的计算机语言是Java。So Paul stayed a year and a half in that place, teaching the word of God among them.
于是，他就在那里住了一年零六个月，在他们中讲授天主的圣道。I said: What noun should be applied to what you teach-- "message" , "gospel" , . . . , or what?
我说：你讲授的东西应该用什么名词表示–“讯息”，“福音”…还是什么？It happened just a week later. Fletcher was demonstrating the elements of high-speed flying to a class of new students.
一周以后，弗莱契对一班新学员讲授高速飞行的原理时在作示范动作。