left(反义词)-----right
fifth(基数词)-----five
different(反义词)-------same
postcard(复数)---------postcards
dictionary(复数)-------dictionaries
bus(复数)--------------buses
left(反义词)-----right
fifth(基数词)-----five
different(反义词)-------same
postcard(复数)---------postcards
dictionary(复数)-------dictionaries
bus(复数)--------------buses