b e n e f i t [benefit]
n.
A
benefit is a good thing.
—
Being able to fly is a good benefit to birds.
certain
[ss:rtan]
adj.
If you are
certain about something, you know it is true.
-*I am certain that zebras have stripes.
chance
[tjsens]
n.
A
chance is an opportunity to do something.
-►
I had a chance to see the Roman Coliseum last summer.
effect
[ifekt]
n.
An
effect is a change made by something else.
-+
The medicine had a good effect on the boy.
essential
[isenjal]
adj.
If something is
essential, it is very important and necessary.
-*
It is essential to have oxygen when you scuba dive.
far
[fa:/-]
adj.
If something is
far, it is not close.
-♦
It’s far going from the east coast to the west coast of America.
focus
[foukas]
v.
To
focus on something is to think about it and pay attention to it.
-♦
My mom always helps me to focus on my school work.
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