You can use a seed tray to start the seeds indoors. The container should be deep enough to hold at least three centimeters of soil.

你可以用播种盘在室内播种，容器的深度要至少可以容纳3厘米高的土壤。

youdao

The potted seeding machine is characterized in that a negative pressure fan, a positive pressure fan, a seed tray, a potted seedling tray and a potted seeding tray are arranged on a stand;

该钵体播种机，机架上设有负压风机、正压风机、 种盘、钵体苗盘和钵体播种盘；

youdao

At regular intervals, a bottle is dug up, and the sand-seed mix is transferred into a shallow tray of soil and watered.

以相等的时间间隔，打开瓶子，将瓶内的沙土换成土壤和水混合物。

youdao

To start the seeds inside, you can use a seed tray in your home or other shelter.

VOA: special.2009.04.28

But do not drown the seeds. Next,cover the seed tray with paper.

VOA: special.2009.04.28