原生生物从地拖，地上积水、切肉台上肮脏的干、塑料砧板和已经不使用的热水刀具消毒器上进行调查。
Protozoa were detected in floor drains, standing water on the floor, soiled bars of cutting tables, plastic pallets and out-of-use hot water knife sanitizers.
空地上的废弃轮胎应该用针戳穿或包起来以免积水。
Disused tires tured or wrapped up to avoid water accumulation.
清洗自己的爱车，而地上就是一滩下雨的积水。
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