yellowing的用法和樣例：
例句
- The leaves of the trees are yellowing.
樹葉正在變黃。 - Watch for yellowing or black spots on the stems.
注意莖部的泛黃的或黑色的斑點。 - Traces of your smile in yellowing despair.
你的笑容已泛黃。 - The leaves of the book were yellowing with age.
書葉因年久而發黃。
辭彙搭配
- initial yellowing 初期黃變
- yellowing stage 黃花期
- anti-yellowing agent 防黃變劑
