B: I've already called . The cops should be here any time.
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i ve already called
我已经打过电话了
以上为机器翻译结果,长、整句建议使用 人工翻译 。
Cutting involves enzymes called restriction endonucleases or restriction enzymes, which I've already mentioned and they have names.
切割用到的酶叫限制性核酸内切酶,或限制性内切酶,我已经提到过了,而且它们都有名字
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