New Words：

mask [mɑ:sk] n. 面具；面罩
gas mask 防毒面具

Sample Sentences：

He went online and ordered a gas mask.
The kids were all wearing animal masks.
Even though I wore a gas mask, I had problems breathing.

New Words：

pile [pail]
n.桩；堆；摞；桩柱
v.堆放；摞起；叠放；放置

a pile of 一堆

Sample Sentences：

He's got piles of work to do this morning.
They piled the cart with fruit and vegetables.
The cart is piled high with fruit and vegetables.
A pile of dirty clothes lay by the washing machine.

squeeze

New Words：

dump [dʌmp]
v.倾倒；抛售；抛弃；转存
n.垃圾场；废物堆；转储；转存

Sample Sentences：

He went to dump the garbage.
Some people just dump their rubbish in the river.
Just dump your stuff over there ─ we'll sort it out later.

There is a refuse dump out of the town.
The dump was so full it had to refuse more refuse.

New Words：

tease [ti:z] v. 取笑；戏弄；梳理；挑逗

Sample Sentences：

I used to get teased about my name.
Don't take it seriously - he's only teasing.
The other boys tease him because he is fat.
The dog may bite you if you keep teasing him.

New Words：

portion ['pɔ:ʃən] n. 部分；份

Sample Sentences：

She cut the cake into six small portions.
You are paid your portion not later than a week.
He was hungry and ordered two portions of roast duck.
You may find the information you need in the first portion of the book.