He kept sending gifts and assured her that they were merely small tokens of his appreciation…他不断送她礼物，并向她保证说这些只是为了略表谢意。Complete the form and affix four tokens to its back.填完该表，在背面贴上4张凭券。Complete the form and affix four to...
Dinitrophenol, when applied to the leaf, reduced sucrose transport.当二硝基酚施于叶子时, 减少了蔗糖的的运输.The second order nonlinear optical material, 2,4 dinitrophenol ( DNP ) was synthesized.合成了二阶非线性光学材料2, 4-二硝基苯酚 ( DNP),测试了其二次谐波产生(SHG...