enlargement
n
1 [U] action of enlarging or being enlarged 扩大; 放大
He´s working on the enlargement of the business. 他正在努力扩展业务.
2 [C] thing that has been enlarged, esp a photograph 已扩大或放大之物(尤指照片)
enlargements of the wedding photographs 婚礼照片的放大照片. Cf 参看 reduction.