【題目】做飯前你應(yīng)該洗手,以防感染傳染病。

You should wash your hands when preparing food to________________________infection.

【答案】guard against spreading

【解析】

此處用動詞不定式表示目的狀語,用動詞短語guard against表示以防,防范;賓語用動名詞spreading表示感染,傳染。故答案為guard against spreading。

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