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....
Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。The Pike lives mainly in large rivers and lakes.狗鱼主要生活在大江大湖中。We were driven across this wondrous vast land of lake...
If you are a council tenant call the housing department about it.市建住房租户请就该问题致电住房部。The tenant was dispossessed for not paying his rent.那名房客因未付房租而被赶走.The tenant received two month's notice.房客得到两个月后搬出的通知....