protect sb from sth 等于
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protectsbfromsth等于protectsbfromsth等于protectsbfromsth等于preventsbfromsthensuresbagainstdefendsb.from保护
protect sb from sth 等于
protect sb from sth 等于
protect sb from sth 等于
prevent sb from sth
ensure sb against
defend sb. from
保护某人免受...
protect...against...