一卷卫生纸a roll of toilet paper哦, 我还得买些卫生纸和纸餐巾.Oh, I must get some toilet paper and some paper napkins.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,...
在四倍体 、 具假配子的种光悬钩子中选了二个植株.In the tetraploid, pseudogamous species Rubus nitidioides, Haskall selected two plants . Haskall.今年我们的悬钩子歉收.We had a poor crop of raspberries this year.目的建立粗叶悬钩子根部多糖的含量测定方法.ObjectiveTo study the ...