/prəˈtekʃn ||; prəˈtɛkʃən/noun
[U] protection (against/from sth) the act of keeping sb/sth safe so that he/she/it is not harmed or damaged 保护;防御:
Vaccination gives protection against diseases.接种痲疹疫苗可预防痲疹。After the attack he was put under police protection.他遇袭后便受到警方的保护。