本集核心英语单词及例句：

1.comment (n.)评论；意见；批评
Leave a comment below and drop your knowledge with the rest of us!
你可以在下方留下你的评论，和我们一起分享你的智慧!

2.solemn pledge (n.)庄严的誓言
Do you still remember the solemn pledge without any complaint or regret?
那些曾经的海誓山盟无怨无悔，你还会时常想起吗？

3.serious (adj.)严肃的；认真的
I want you to know we have some serious competition in the world.
我希望你们知道，在这个世界上，我们面临一些严肃的挑战。

4.event (n.)事件；项目
The publication of the new dictionary is one of the cultural event of the year.
这本新辞典的出版是今年文化界的一件大事。

5.ceremony (n.)典礼；礼节
The ceremony was scheduled for December 10th.
颁奖典礼定在12月10日。

6.promise (n.)许诺，允诺；希望
We should keep our promise.
我们应该遵守诺言。

7.oath (n.)誓约；诅咒
You are being swerved from your oath.
你现在的行为背离了你的誓言。