1
the yellowing of sth
这里的 yellowing 是名词，常与 of 连用，说明什么东西泛黄。
The yellowing of the photograph was caused by sunlight.
照片的泛黄是由阳光造成的。
泛黄；黄变；黄化
yellowings — plural of yellowing
先理解核心含义，再看它在真实句子里的用法。
泛黄；黄变；黄化
the process of turning yellow
The yellowing of the photograph was caused by sunlight.
照片的泛黄是由阳光造成的。
变黄的过程。
The process of turning yellow.
The yellowing of the pages told us the book was very old.
书页的泛黄告诉我们这本书很旧了。
Sunlight can cause yellowing of white plastic furniture.
阳光会导致白色塑料家具变黄。
You can prevent yellowing by keeping your shoes out of direct sunlight.
你可以让鞋子避免阳光直射，以防它们发黄。
这里的 yellowing 是名词，常与 of 连用，说明什么东西泛黄。
The yellowing of the photograph was caused by sunlight.
照片的泛黄是由阳光造成的。
show 也可换用 develop 或 undergo，但 show 最常用。
The leaves show yellowing in autumn.
树叶在秋天呈现泛黄。
这里 yellowing 被过去分词短语修饰，表示泛黄的原因。
Yellowing caused by heat can be prevented with proper storage.
由热引起的泛黄可通过妥善储存来防止。
Not this
There are several yellowing on the old photographs.
Use this
There are several yellowings on the old photographs.
这里“yellowing”是可数名词，表示“黄变的痕迹”，复数形式必须加-s。汉语名词没有复数变化，学习者容易漏掉-s。
Not this
The yellowing pages of this book are too fragile to turn.
Use this
The yellowed pages of this book are too fragile to turn.
“yellowing”是现在分词，表示“正在变黄”；“yellowed”是过去分词，表示“已经变黄的状态”。这里书页已经变黄，应该用“yellowed”。
Not this
The old paper yellowing in the sunlight.
Use this
The old paper is yellowing in the sunlight.
“yellowing”是现在分词，不能单独作谓语，需要与助动词“is”构成现在进行时。汉语常省略系动词，导致学习者漏掉“is”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
叶片黄化
The yellowing of leaves in autumn is a natural process.
秋天叶片黄化是一个自然过程。
纸张泛黄
Old books often show yellowing of paper over time.
旧书纸张往往会随着时间泛黄。
叶片发黄
Leaf yellowing can be a sign of nutrient deficiency.
叶片发黄可能是营养缺乏的迹象。
皮肤发黄
Yellowing of the skin may indicate liver problems.
皮肤发黄可能表明肝脏有问题。
防止泛黄
This coating helps prevent yellowing caused by sunlight.
这种涂层有助于防止阳光引起的泛黄。
Use yellowings naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
yellow（黄）加-ing，像白纸慢慢变黄的过程：yellowing就是“泛黄、黄变”。
语域：neutral 常见场景：日常书面描述（纸页、照片等泛黄）、技术或专业描述（材料老化、植物叶片黄变） 该词作名词时通常用于书面或技术性描述，日常口语中更常说 turn yellow 或 go yellow；在一般语境中可视为中性表达。
真正押韵的词：bellowing、mellowing（/ˈbɛloʊɪŋ/、/ˈmɛloʊɪŋ/，重读元音 /ɛ/ 及后续 /loʊɪŋ/ 与 yellowing 相同）。拼写相似但读音不同：following /ˈfɑːloʊɪŋ/、hollowing /ˈhɑːloʊɪŋ/ 以 -llowing 结尾但重读元音不同；allowing /əˈlaʊɪŋ/ 读 /aʊ/；snowing /ˈsnoʊɪŋ/ 以 -owing 结尾，但词首音节和重音位置不同。
Dictionary facts from ECDICT, WIKTIONARY.