New Words：

meal [miːl] n. 早（或午、晚）餐；一顿饭

Sample Sentences：

How much does one meal cost?
How much do you spend for a meal?
How much should i pay for this meal?
It's good for you to go for a walk after meal.

New Words：

less [les] 较少的；更少；更小；little的比较级
least [liːst] 最少的；最少；最小；little的最高级
at least 至少

Sample Sentences：

In less than a year, I'll speak good English.
How much do you want to spend on books? Less than 100 yuan.
Day after day, there were less and less leaves on the tree.

Most family now own at least one car.
At least ten people were killed in the crash.
It takes at least an hour to get home from work.

New Words：

born [bɔːrn]
v.出生；出世；出现；形成
adj.天生（有某方面才能）的

Sample Sentences：

I was born in 2013.
Her brother was born blind.
He was born to be a great musician.
Her brother was blind when he was born.
You were born in London, but you grew up in New York City. When did you move over there?

New Words：

safety [ˈseɪfti] n. 安全;平安

Sample Sentences：

For your safety, please stand inside the white line.
For your safety, please close the door after you come in.
For your safety, do not swim or fish here. Do not walk on the ice.
I hope all of you to keep it in mind that friendship comes first, safety comes first!

New Words：

line [laɪn] n. 线；线路；直线；路线
starting line 起跑线
finishing line 终点线

Sample Sentences：

The ball went over the line.
The children all stood in a line.
Please wait inside the white line.

They crossed the finishing line together.
They were all waiting on the starting line.
Who was the first to cross the finishing line?