Mary Ann asked him how dinner had been. "The pits," he replied.玛丽·安问他晚餐怎么样，他回答说：“糟透了。”The wood is full of pits and needs sanding.这木料上到处是凹坑,需用砂纸打磨一下.The comedian's performance was the pits!这喜剧演员的表演糟透了....
It was a better community then when all the pits were working.所有的煤矿都在开工的那个时候，这个社区的情况要更好一些。While in NaNO 2 solution , a few metastable pits occurred andwould be replaced by stable pits soon.而在NaNO2体系中,少许亚稳态小孔出现后很快发展成为稳定孔....
非离子型表面活性剂有聚氧乙烯缩合物糖酯和烷基胺氧化物.Nonionics include polyoxyethylene condensates, sucrose esters and alkyl amine oxides.非离子型表面活性剂有聚氧乙烯缩合物, 糖酯和烷基胺氧化物.Nonionic surface - active agents include polyoxyethylene condensates, sucrose e...