本集核心英语单词及例句：

1.convenient (adj.)方便的
It's more convenient for me to study with a computer.
有了电脑我学习更方便了。

2.deliver (vi.)传送
The spy returned to deliver a second batch of classified documents.
那名间谍返回来传送第二批机密文件。

3.button (n.)按钮
The fuse blew as he pressed the button.
他刚一按下按钮，保险丝就烧断了。

4.appreciate (vt.)感激
We'd appreciate your leaving as fast as possible.
如果您能尽快离开，我们将不胜感激。

5.container (n.)容器
Keep what's left in a covered container in the fridge.
把剩下的食物装入带盖的容器，放进冰箱。

6.plastic (n.)塑料
They put plastic sheeting on the insides of our windows.
他们在我们的窗子里面贴了层塑料薄膜。

7.leftovers (n.)剩菜
When you left the restaurant, did you take leftovers?
你什么时候离开餐馆的，你带走了剩菜吗？