protection against
防止……的保护；抵御……
例句：Sunscreen provides protection against harmful UV rays.
under protection
受到保护（常用于法律、安全或监护下）
例句：The endangered species is now under government protection.
protection of
对……的保护
例句：The law ensures the protection of citizens’ privacy.
offer/provide protection
提供保护
例句：This helmet offers excellent protection in case of a fall.
legal protection
法律保护
例句：Employees have legal protection against unfair dismissal.
environmental protection
环境保护
例句：Many NGOs are dedicated to environmental protection.
personal protection
人身保护；个人防护
例句：Wearing masks is a form of personal protection during a pandemic.
data protection
数据保护
例句：The company follows strict data protection policies.