Lesson 18 they’re dirty.

第18课 它们是脏的。

Are your hands clean, Dan?
你的手洗干净了吗,丹?

Yes, Mom.
洗了，妈妈

Show me.
给我看。

They're dirty.
它们是脏的。

Go and wash them!
去洗洗吧!

Are your hands clean now, Dan?
你的手现在洗干净了吗,丹?

Your hands are clean, but the towel's dirty.
你的手很干净,但毛巾脏了

Look at Katie's hands. They're clean.
看看凯蒂的手。他们是干净的

clean dirty small big light heavy long short
清洁，肮脏，小，大，光，重，长，短