小学英语人教（14版三起点）三年级上册useful_expressions_unit4

[00:00.20]Useful expressions
[00:02.35]常用表达法
[00:03.01]Unit 4
[00:04.27]第4单元
[00:05.21]What's this?
[00:06.03]这是什么？
[00:07.47]It's a duck.
[00:08.41]（它）是只鸭子。
[00:09.25]What's that?
[00:10.11]那是什么？
[00:10.77]Cool! I like it.
[00:12.53]酷！我喜欢它。