to puan
对puan
以上为机器翻译结果,长、整句建议使用 人工翻译 。
Puan Rika is preparing food in the school canteen. Which of the following is the most effective for preventing bacteria from spreading to the food?
丽卡女士正在学校的食堂准备食物。下面哪项能最有效地防止细菌散布到食物里?
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