格雷戈里仍为香农的朝气、快乐和美丽着迷。Gregory was still enchanted with Shannon's youth and joy and beauty.对我来说,他是世界上最美丽的孩子。To me he is the most beautiful child in the world.我们的城市很美丽,但愿它能保持下去。We have a beautiful city and we pray it st...
哲学家们并未怎么关注这一观点。The idea has been given short shrift by philosophers.希腊哲学家亚里士多德the Greek philosopher Aristotle他的职业是教师,但他的本心是成为哲学家.He is a teacher by occupation but a philosopher by inclination....
Non - basic nitrogen - containing series include pyrroles, indoles, carbazoles and benzcarbazoles.不含碱性氮的化合物包括吡咯 、 吲哚 、 咔唑和苯咔唑.Fig 3 Excitation and emission spectra of indoles and its derivative in DMSO.图3吲哚及其衍生物的DMSO溶液的激...
The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯.Butyl cinnamate was synthesized from cinnamic acid and butyl alcohol using tungstosili...