The pollen can then be separated from the rest of the catkin by sieving through cheesecloth or fine screen. 布筛筛,便将花雄花序其。
catkin [ noun ] a cylindrical spikelike inflorescence <noun.plant>
Catkin \Cat"kin\ (k[a^]t"k[i^]n), n. [Cat + -kin.] (Bot.) An ament; a species of inflorescence, consisting of a slender axis with many unisexual apetalous flowers along its sides, as in the willow and poplar, and (as to the staminate flowers) in the chestnut, oak, hickory, etc. -- so called from its resemblance to a cat's tail. See Illust. of {Ament}.