10Washing and drying the bulk raw material to prevent spoilage also isn’t easy. During WWII, volunteers in Britain occasionally dammed natural streams to wash the seaweeds and used hot air from a bakery to dry them. Praising the concerted efforts of volunteers, the UK Ministry of Supply concluded that “all belligerent countries should have a local source” of agar.
Descending into the windowless basement of a second world war air-raid bunker built for civilians in central Berlin is arguably an eerie enough evocation of what it means to endure life in a conflict.
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雷布夏特認為，不應將新科技視為對人類教師的威脅，而應視為互補。他指出，科技能為學生提供額外的練習與回饋，並擴大學習的可及性。
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