你知道再见除了 Bye-bye! 跟 See you later! 还有哪种很酷的说法吗？让J博士来告诉你！

本集核心英语单词及例句：

1.notice (v.)注意到
Did you notice that Dr. J began this video by spinning around in his chair?
你有注意到J博士以旋转椅子开始视频吗？

2.turn around (v.)转圈
I didn’t recognize my sister in the crowd until she turned around in my direction.
我没有在群众中认出我姊姊，直到她转身我才看到她。

3.alligator (n.)鳄鱼
Many people prefer alligator over chicken. (They like alligator meat more than chicken.)
许多人喜欢鸡肉超过鳄鱼肉。

4.a while (n.)一阵子
I have been watching Greenhill videos for a while now, and my progress is phenomenal!
我看格林希尔的视频已经一阵子了，我的进步很明显！

5.crocodile （n.）鳄鱼
The expression "to shed crocodile tears" means to fake crying or pretend to cry.
「鳄鱼流泪」的说法意思是说假哭。

6.flip over(v.)翻转
After you put the peanut butter on a piece of bread you must flip it over in if you want to make a sandwich.
如果你想做一个三明治的话，在你把花生酱涂上面包再把它翻转过来。

7.catch (v.)接
I'll catch you later，my friend, when we meet up at the party.
待会儿见，我的朋友，我们在派对上见。

8.wonder (v.)怀疑
Sometimes when learning a language you begin to wonder how long it will take until you can speak it fluently.
有时当学习语言的时候你开始会怀疑要把语言说到流利要多久。

9.record (n.)唱片
Many years before CDs and MP3s, people listened to records to listen to music.
许多年前在有CD跟MP3之前，人们用唱片听音乐。

10.flipside (n.)另一面
The flipside of a record is the bottom or the reverse of the side that you are listening to.
唱片的反面是你用来听那面的另一面。