The heptanal butyl mercaptan was synthesized with heptanal, sodium thiosulfate and 1 bromobutane as raw materials.以正庚醛 、 硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛....
The poll was widely discredited after allegations of ballot rigging.选举舞弊的指控出现后,这次投票测验受到了广泛质疑。Her honour was discredited in the newspapers.她的名声被报纸败坏了。The reactionary authorities are between two fires and have been discred...