所有样品本实验室保留一个月，如需延长保留期限，本实验室将收取存储费。
The laboratory retains all samples for a month, clients must pay the fees if need to lengthen the retention deadline.
到了验收的那天，本尼走向前展示样品。
On the day of evaluation, Benny went forth to show the samples.
巨蟒又甩尾巴猛地拍了一下那块牌子，哈利继续读道：这是本动物园内繁殖的样品。
The boa constrictor jabbed its tail at the sign again and Harry read on: This specimen was bred in the zoo.
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