基本释义:

变暗

网络释义

1)blackening,tarnish,变暗

2)photoinduced darkening,光致变暗

3)darkening wavelength,变暗波长

4)darkening rate,变暗速率

5)darkening agent,色变暗剂

6)"dimming and brightening",“变暗和变明”

用法和例句