Photochemical degradation
[化] 光化降解
🧩 词语组成解析
n. 堕落;潦倒;毁坏;恶化;
de向下+grad步,级+ation名词后缀→向下降级→ 堕落,退化,降级,贬黜
🗣️ 情景例句
It's a nap. Tomorrow morning at ten o'clock.
简单得很。明早十点。
If you cannot bite, never show your teeth.
不能打仗,切莫出兵。
Do you have any suggestions.
你说怎么办?
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