New Words：

electronic [ilek'trɔnik] adj. 电子的；电子器件的；电子设备的

Sample Sentences：

I like to read books on electronic music.
It is an electronic device with many uses.
This dictionary is available in electronic version.

device [di'vais] n. 装置；设备；仪器

New Words：

frustration [frʌs'treiʃən] n. 沮丧；受挫；挫败；懊丧

Sample Sentences：

Life is full of frustrations.
Every job has its difficulties and frustrations.
I was close to tears with frustration, but I held back.
It's healthier to release frustration than to bottle it up.

New Words：

frustrate [frʌs'treit]
v.挫败；使懊丧；使懊恼；使沮丧
adj.无效的；受挫折的；被破坏的；失败了的

Sample Sentences：

The terrible weather frustrated our hopes of going out.
A poor memory frustrated her efforts to become an actress.
We taught and learned together and encouraged each other when we were frustrated.

New Words：

plaid [plæd] adj.方格花的

Sample Sentences：

It matches your plaid skirt perfectly.
Today, I wore a black and white plaid shirt, which is made of cotton.

New Words：

striped [straipt] adj. 有条纹的

Sample Sentences：

Jack's plaid shirt didn't mix well with his striped trousers.
She is wearing a striped T-shirt, blue jeans and purple shoes.

plaid [plæd] adj.方格花的