New words：

moldy ['məuldi] adj. 发霉的；破旧的；乏味的；陈腐的

Sample Sentences：

Strawberries go moldy very quickly.
We had a moldy holiday - it rained every day.
I'm sure it's still good, if we just cut off the moldy parts.

New words：

rid [rid] v. 摆脱；消除；去掉
get rid of 摆脱
be rid of 摆脱

Sample Sentences：

The man rid himself of debt.
He can't get rid of the cold.
I'm glad to be rid of those bad habits.
Let's get rid of this moldy old furniture.
The new vaccine may rid the world of one of its most terrifying diseases.

moldy ['məuldi] adj. 发霉的
terrifying ['terə.faɪɪŋ] adj. 可怕的；令人害怕的

New words：

flea [fli:] n. 跳蚤
itchy ['itʃi] adj. 发痒的

Sample Sentences：

Some people like to go shopping at flea market.
I must have been bitten by a flea, my arms are itchy.

I can't reach the itchy place on my back.
I find that new shirts always make my skin feel itchy.

New words：

tan [tæn]
n.棕黄色；黄褐色；黝黑
adj.棕褐色的；棕黄色的
v.晒黑

Sample Sentences：

My brother tans very fast.
These shoes are tan, not dark brown.
Sun and wind had tanned the sailor's face.
He looked tanned and well rested after his vacation.

New words：

amber ['æmbə]
n.琥珀；琥珀色
adj.琥珀的；琥珀色的

Sample Sentences：

You should stop at an amber light.
Would you like an amber necklace for your birthday?
The traffic lights changed from green to amber to red.