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preparedness for [noun/gerund]
后接名词或动名词，表示针对某事或某情况的准备状态。
He praised the school's preparedness for emergencies.
他称赞了学校对紧急情况的应对准备。
准备就绪；战备状态
preparednesses — plural of preparedness
先理解核心含义，再看它在真实句子里的用法。
准备就绪；战备状态
The state of being prepared, especially for military action.
He praised the school's preparedness for emergencies.
他称赞了学校对紧急情况的应对准备。
准备好的状态。
The state of being prepared.
准备就绪的状态(尤指军事行动)
the state of having been made ready or prepared for use or action (especially military action)
面对潜在灾害采取的预防措施。
Precautionary measures in the face of potential disasters.
The city's emergency preparedness helped residents stay safe during the flood.
这座城市的应急准备状态帮助居民在洪水中保持了安全。
The army's high level of preparedness discouraged any attack from its neighbors.
军队的高度战备状态使邻国不敢发动攻击。
Good preparedness for an earthquake can save many lives.
良好的地震应急准备可以挽救许多生命。
后接名词或动名词，表示针对某事或某情况的准备状态。
He praised the school's preparedness for emergencies.
他称赞了学校对紧急情况的应对准备。
后接动词原形，表示准备采取某行动的状态。
The government declared its preparedness to negotiate.
政府宣布已准备好进行谈判。
state of 后常接 full、high、constant 等形容词，强调处于某种程度的准备状态。
The troops were kept in a state of constant preparedness.
部队始终保持战备状态。
Not this
We must preparedness for any emergency.
Use this
We must ensure preparedness for any emergency.
preparedness是名词，不能直接放在情态动词must之后作谓语。must后需要动词原形，因此应添加ensure（确保），使preparedness成为宾语，构成正确搭配ensure preparedness。
Not this
The health system's preparedness to the outbreak is critical.
Use this
The health system's preparedness for the outbreak is critical.
表示“为…所做的准备”时，名词preparedness与介词for搭配，而非to。to后接名词常表方向或对象，此处应使用固定的搭配preparedness for。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
应急准备
The city improved its emergency preparedness after the flood.
洪水过后，该市加强了应急准备。
军事战备
The country maintained a high level of military preparedness.
该国保持着高度的军事战备状态。
应急预案
The government updated its preparedness plan for hurricanes.
政府更新了针对飓风的应急预案。
准备就绪状态
The troops were in a state of preparedness.
部队处于准备就绪状态。
防范措施
The hospital introduced new preparedness measures for pandemics.
这家医院针对疫情引入了新的防范措施。
Use preparednesses naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 prepared（准备好的）+ ness（名词后缀）：脑海里闪现士兵列队、装备齐整、随时待命出击的画面。
语域：formal 常见场景：政府应急管理、军事战备、灾害防范 通常用于正式或书面语境，尤其是军事、应急管理、防灾等场景；日常口语中较少使用，更常说 readiness 或 preparation。
Only the unstressed final /-nəs/ is shared; none of these rhymes with /priˈpɛrədnəs/. Awareness is the closest, with the same stressed /ɛr/ and final /nəs/ but without the extra /əd/ syllable. Witness and business are spelling lookalikes: witness is not formed from wit + -ness, and business is pronounced /ˈbɪznəs/.
Dictionary facts from ECDICT, WIKTIONARY.