第三步，在每一收集站水平地安排一个有粘性的显微镜载玻片。

The third step is to place a sticky microscope slide horizontally at each station.

youdao

第三步，在每一收集站水平地安排一个有粘性的显微镜载玻片。

The third step is to place a sticky microscope slide horizontally at each station.

youdao