blackening的用法和樣例：
例句
用作名詞 (n.)
- Hellish flames billowed upward, blackening the groaning roofbeams.
地獄般的火焰向上翻滾著巨浪，燒黑了房梁，發出嘎吱聲。 - Quite significantly, there was no blackening of the emulsion at the mirror's surface.
十分引人注意地，在反射鏡表面的乳膠沒有變黑。 - The output signal from the detector may be the blackening of a photographic emulsion.
探測器的輸出信號可以是照相乳膠的黑度。
辭彙搭配
- oil blackening 藍化
- bulb blackening 燈泡變黑
- film blackening 膠片變暗
