在花粉形成过程中,花药内天然产生一种化合物.During pollen formation a compound is produced naturally in the anther.将花药筛到无光的 、 具渗透性的纸上, 如报纸或卫生纸, 以便花药干燥.Sift the anthers onto unglazed, permeable paper, such as newspaper or paper toweling, for d...
Rabbits propagate [ breed ] rapidly.兔子 繁殖 迅速.The story rapidly became part of family folklore.这个故事很快就成为家族传说的一部分。He was one of a class rapidly becoming extinct in Wessex.在维塞可斯那块地方上,他是属于眼看就要完全绝迹了那种行业中的一员.The malefic influe...