最終更新日:2022/12/24
A drop of water and sediment oozes out; and when the live-box cover is put on, this drop is flattened out, and the box is set upon the stage of the microscope to be searched with a low power.
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A drop of water and sediment oozes out; and when the live-box cover is put on, this drop is flattened out, and the box is set upon the stage of the microscope to be searched with a low power.