n. the physical world, including all living things and the land and the seas
On the weekends, I love to walk in nature among the trees.
modern
n. not old; new
There are many modern buildings in this city.
common
a. done by many people; easily available; not special
Colds are quite common in the winter.
explain
n. to give details and make something clear
We need to explain the picture graph so they understand it.
therefore
n. for that reason
I missed the subway. Therefore, I was late.
event
n. something that happens that usually involves many people
There is a special event at school next week.
refer
n. to mention or to mean something
In her lectures, she often refers to her difficult childhood.
totem pole
n. a carved and painted tree, especially in some Native American cultures
A totem pole is a long wooden pole with symbols and pictures carved and painted on it.
quality
n. a characteristic of something
These are very good quality shoes.
similar
n. to be like something, but not exactly the same
The sisters look quite similar, but you can tell the difference.