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 heptanal butyl mercaptan was synthesized with heptanal, sodium thiosulfate and 1 bromobutane as raw materials....
只有非常有钱的人才能在米拉贝勒餐厅吃得起午餐。Only the extremely rich could afford to lunch at the Mirabelle.只有非常有钱的人才真正受益了。Only the very rich have really benefited.这个年轻人小心侍候他有钱的姑妈.The young man danced attendance on his rich aunt....