reducers的翻译，读音
释义：
n. 缩减者；还原剂；异径接头（reducer的复数）
n a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver
n pipefitting that joins two pipes of different diameter
n a substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver
n pipefitting that joins two pipes of different diameter