use pairs in a sentence.
When the stone is slightly moved, these pairs of reflections will travel _together as pairs_ and not tend to separate.
This means that if someone here is interested to buy 4 pairs, it is possible, ie 3 + 4 = 7 * purchase order closes once i receive payment for the 4 pairs*
After sheep, the second most populous wildlife were grouse, which regularly flew out in pairs from the undergrowth with a violent batter of wings.
I had, on the table, six of the colour spools in pairs, that is two reds, two blues, two yellows.
His education is twofold, and always is imparted in "pairs" of subjects – that is, while he is being instructed in the requisites of fighting, hunting, food getting, and his national sports, he takes with each "subject" a very rigid training in etiquette, for it would be as great a disgrace for him to fail in manners of good breeding as to fail to take the war-path when he reaches the age of seventeen.