新标准小学英语三年级起点第六册20

[00:00.00] Unit¹ two
[00:02.02]单元二
[00:04.05]What do you have to do?
[00:04.82]你在做什么？
[00:05.59]1.Look,listen and write the numbers of the pictures.
[00:11.02]1。看并且写这些图片。
[00:16.46]How do you send an E-card?
[00:18.14]怎么发送卡片？
[00:19.83]What do you have to do?
[00:36.72]你在做什么？
 

1 unit   

n.单位，单元，部件，元件，装置

参考例句：

• This unit is very hard.这个单元很难。
• This textbook has twenty units.这本课本有二十单元。