late即可做形容词又可作副词；而lately则意为"最近的"，如： I hav...，lately,seen,单词记忆法、语法用法，与lately,seen, 相关例句、名人名言

lately单词相关例句：

Now I would agree that the utilitarian, sporting interest a wide public has lately been taking in "space" can mask a dispassionate awareness.

现在，广大公众从功利出发，把他们的兴趣放在“空间”方面。我们同意这种情形可能会影响我们进行冷静的思考。

seen单词相关例句：

A spot is most seen on the finest cloth. 最清洁的布上，污点特别显眼。

Have you seen the Eiffel Tower in Paris?
你在巴黎参观埃菲尔铁塔了吗？


I have never seen so many stars at night!
晚上我从没见过这么多星星！


The smoke from the factory's chimneys can be seen from miles away.
老远就能看见从工厂的烟囱冒出的烟。


Have you ever seen the teeth shine so brightly?
你见过如此皎洁的玉齿么？


The thunderstorms are very severe; I've seen lightning countless times tonight.
暴风雨很猛烈，我今晚都看了无数次闪电了。


I've never seen someone yelling so loud on the phone before!
我以前从没见过谁对着电话那样咆哮。


Have you ever seen the bottom of the ocean?
你见过海底吗？


video arcade 电子游戏中心 digital video 数字视频
例句： I have seen this video before .
我以前看过这录像节目。
例句： I don't see any point of playing video games all day .
我看不出整天打电动玩具有什么意义。

I've seen the course you offered to the students.

我曾经接触过一些你们给学生的课程。