: The simplest way to record lectures , oral notes , or discussion sessions .

用途：用最简单的方式记录演讲、口头报告和谈话

They 're just videos of lectures , really .

说实话，那不过就是些讲座视频。

His lectures at the royal academy were hard to follow .

人们很难听明白他在英国皇家艺术院的演讲。

Chinese prickliness will continue : beijing cannot appear to be taking lectures from washington .

中方的敏感也将继续下去：北京不能给人留下接受华盛顿说教的印象。

Do they listen to your lectures ?

他们听你讲的课吗？