protect from/against用法及造句.

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protectfrom/against用法及造句.protectfrom/against用法及造句.protectfrom/against用法及造句.protectfrom保护...不受(使...免于

protect from/against用法及造句.
protect from/against用法及造句.

protect from/against用法及造句.
protect from 保护...不受(使...免于)
如:The sheep jammed together to protect from the cold.
这些绵羊为了御寒紧紧地挤在了一起.
protect against 反对...以保护
如:The vaccine was used to protect the whole population against infection.这种疫苗用以为全体居民预防传染病.