He wore a thick overcoat as a protection against the bitter cold. 他穿著厚實的大衣以抵御嚴寒。
He told us that we should lay on a second coat of paint for better protection against the weather. 他告訴我們，為更好地防止大氣的侵蝕，應該再涂上一層漆。
A deep, wide ditch, usually filled with water, typically surrounding a fortified medieval town, fortress, or castle as a protection against assault. 護城河一條深而寬的、通常有水溝環繞設防的中世紀城鎮城堡或堡壘，用以抵抗外來襲擊
She put on dark glasses as a protection against the strong light. 她戴上墨鏡以防強光的照射。
