I snapped the first slide into place under the microscope and adjusted it quickly to the 40x objective. I studied the slide briefly.

我“啪”地一下把第一张玻片放到显微镜下，敏捷地调到40倍镜，然后简单地看了一下玻片。

youdao

I snapped the first slide into place under the microscope and adjusted it quickly to the 40x objective. I studied the slide briefly.

我“啪”地一下把第一张玻片放到显微镜下，敏捷地调到40倍镜，然后简单地看了一下玻片。

youdao