Following the vet's instructions, I collected a stool sample and dropped it in a plastic container before we left for his office.
按照兽医的要求，在去他办公室之前，我收集了大便样本，将它装到一个塑料容器中。
A small amount of stool sample is smeared on a special card for occult blood testing.
在一种特殊卡上涂上少量粪便样本用于潜血检查。
A small amount of stool sample is smeared on a special card for occult blood testing.
在一种特殊卡上涂上少量粪便样本用于潜血检查。
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