他背着背包、拖着装运食品和工具的雪橇在雪地上跋涉，松软厚实的积雪导致旅途更加艰难。
Soft, deep snow made for some tough slogging with his backpack and sled carrying his food and gear.
食品质量控制实验室可以利用这个新的工具在他们进入食物链之前来检测来检测这些药物。
Food quality control laboratories could use this new tool to detect these drugs before they enter the food chain.
第十三条食品容器、包装材料和食品用工具、设备的生产必须采用符合卫生要求的原材料。
Article 13 The raw materials for making containers, packagings, utensils and equipment used for food must meet hygiene requirements.
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