Could you explain why you take samples of the blood from the patient? The scientist stained his specimen before examining it under the microscope.

  • 你能解释一下你为什么抽取病人的血样吗?那位科学家先把抽样染色,再置于显微镜下检视。

  • 互联网摘选 2025-01-19 22:46:43

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