以粗纱布或细筛过筛，便可将花粉同柔荑花序的其它部分分开。

The pollen can then be separated from the rest of the catkin by sieving through cheesecloth or fine screen.

youdao

以粗纱布或细筛过筛，便可将花粉同柔荑花序的其它部分分开。

The pollen can then be separated from the rest of the catkin by sieving through cheesecloth or fine screen.

youdao