1
masking of sth
表示“掩盖、掩饰”时，常用 masking of + 被掩盖的事物。
The masking of symptoms can make diagnosis difficult.
掩盖症状会使诊断变得困难。
戴口罩；佩戴口罩
先理解核心含义，再看它在真实句子里的用法。
戴口罩；佩戴口罩
The practice of wearing a mask, especially a face mask for protection.
The masking of symptoms can make diagnosis difficult.
掩盖症状会使诊断变得困难。
掩盖,掩饰
The act by which something is masked; the act of masking, of concealing or disguising.
假面舞会
An entertainment at which the guests conceal their faces with masks.
佩戴口罩的做法
The practice of wearing safety masks, such as face masks.
The masking of his disappointment was not as effective as he believed.
他对失望情绪的掩饰并不像他以为的那么有效。
The fan's steady hum provided good masking for the street noise.
风扇稳定的嗡嗡声很好地掩盖了街上的噪音。
The masking of the scratch with dark paint made the table look new.
用深色油漆掩盖刮痕使桌子看起来像新的一样。
表示“掩盖、掩饰”时，常用 masking of + 被掩盖的事物。
The masking of symptoms can make diagnosis difficult.
掩盖症状会使诊断变得困难。
用 by 引出实施掩盖的人或机构，强调动作的来源。
Masking by officials kept the problem hidden.
官员的掩盖使问题一直被隐藏。
在“佩戴口罩”这一义项中，常与地点连用，表示在某处戴口罩的做法。
Masking in hospitals is still recommended during flu season.
流感季节仍建议在医院佩戴口罩。
Not this
The masking is necessary during a pandemic.
Use this
Masking is necessary during a pandemic.
masking 在此表示“佩戴口罩的做法”，是不可数抽象名词，表泛指时不能用定冠词 the；只有当特指某一具体行为时才用 the masking（如 the masking of the problem）。
Not this
I forgot to wear my masking this morning.
Use this
I forgot to wear my mask this morning.
masking 指“戴口罩”这一行为或做法，不是可数的“口罩”这种具体物品；表示具体物品时应用可数名词 mask（复数 masks）。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
数据脱敏
Data masking is used to protect confidential customer information in test environments.
数据脱敏用于在测试环境中保护客户的机密信息。
掩盖症状
The masking of symptoms can make a correct diagnosis much harder.
掩盖症状会使正确诊断变得困难得多。
掩蔽效应
The masking effect of background noise made it impossible to hear the announcement.
背景噪音的掩蔽效应使人无法听到通知。
口罩令
The local government introduced a masking mandate for all indoor public venues.
地方政府对所有室内公共场所出台了口罩令。
普遍佩戴口罩
Universal masking has helped reduce the spread of respiratory viruses.
普遍佩戴口罩有助于减少呼吸道病毒的传播。
掩盖真相
He was masking the truth about his past.
他在掩盖关于自己过去的真相。
掩饰情绪
She is good at masking her emotions during meetings.
她很擅长在会上掩饰自己的情绪。
掩饰痛苦
He laughed, masking the pain he felt inside.
他笑着，掩饰着内心的痛苦。
Use masking naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
masking = mask（面具/口罩）+ ing，想象脸上戴着口罩或面具，把真实表情掩盖、掩饰起来。
语域：mixed 常见场景：formal writing、public health、historical or literary descriptions masking 作名词时有多重含义，语域随含义变化：表示“掩盖、掩饰”时通常用于正式或书面语境；表示“佩戴口罩”时比较常见于公共卫生、新闻等中性语境；表示“假面舞会”时则多见于历史或文学描写。因此整体语域标记为mixed，具体使用时请根据语境判断。
In the accent shown for masking (/ˈmɑːskɪŋ/), asking, basking, and tasking rhyme with it, all ending in /ɑːskɪŋ/. Lookalikes making (/ˈmeɪkɪŋ/) and marking (/ˈmɑːkɪŋ/) sound different: making has the vowel /eɪ/, and marking has no /s/ before /k/.
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.