每日背誦第一期11
In ancient times, people who made beer lacked the means to preserve and filter it properly, so the drink was cloudy and turned bad quickly. It was medieval European monks who introduced scientific brewing techniques in an effort to produce a nutritious beverage to supplement their meager diets.
古時的啤酒釀造者缺少良好的保存方法及過濾工具，所以啤酒混濁而且容易變質(zhì)。正是中世紀(jì)歐洲的僧侶們引進(jìn)科學(xué)的啤酒釀造技術(shù)，制造有營養(yǎng)的飲料， 從而補充了他們貧乏的飲食。
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