The distance light can teavel in one year,which is 9 500 000
The distance light can teavel in one year,which is 9 500 000
one light year is the distance that light travels in one
The distance in the universe is told ___ light years .
I can see the light ____A at a distance B in the distance Cf
the distance is measured in
This is the house in which we lived last year
Which is your favorite festival in the year?
Light is the fast thing in the world,the speed of which is 3
Which seasons is the ______(cold) in a year and which is the
Which is your favourtite day in the year.对还是Which is your fa
英译汉,The nearest star is so far away that light which you can
There are ( ) second in a year ,the( ) one is winter