By age nine, she had developed an unusually low voice.
Therefore they may have an unusually low effective tax rate.
In 1986 the water of the lake reached an unusually low point.
He won with 60% of the vote, an unusually low total for such a heavily Republican district.
In the 1974-75 season, he shot an unusually low 0.275 from the free throw line.
A thief wants to sell quickly and can offer an unusually low price.
The April savings rate was unusually low because of income tax payments.
She has attracted international attention as a fashion model for her unusually low weight.
Only 14 of the new shows are sitcoms, an unusually low number.
There were about six planes flying unusually low, at 500 feet or less.