此反应得到的产物为二烷基苯基丙二酸酯的碱金属盐衍生物.The immediate products of this reaction are alkali - metal derivatives of dialkyl phenylmalonates.以丙二酸做为调控剂,得到纤维状的碳酸钡晶体.Barium carbonate crystal with fiber structure was prepared from malonic a...
蜂鸟发现花蜜和花粉是很有营养的.Hummingbirds have discovered that nectar and pollen are very nutritious.昆虫为花的色彩 、 香气和花蜜所吸引.Insects are attracted to flowers by their colour, scent and nectar.花蜜和花粉是很有营养的.Nectar and pollen are very nutriti...
She lubricates her hands with a lotion.她用一种洗剂来滑润她的手.This oil lubricates the machine.这种油使机器润滑.Dry Mouth Saliva lubricates the mouth, dehydration reduces the amount available.口腔唾液顺利口干 、 脱水量可削减....