drop in的近义词有：call on, see, visit, drop in。下面这些动词或词组均含有"拜访，访问"的含义：call on：社交上的正式用语，指无目的、礼节性的短暂拜访，访问者与被访问者之间一般只有社交或公务关系。see：常用词，含义广泛，既可指接受他人来访，又可指去访问他人。visit：正式用词，强调出于工作需要的访问，也指亲戚朋友间的看望。drop in：多指在计划之外或事先未打招呼的偶然、顺便访问。也可指参观...
The drop in travel is bad news for the airline industry.旅游热降温对航空业来说是个坏消息。He was prepared to take a drop in wages.他已做好心理准备接受降薪。Why not drop in for a chat?为什么不过来聊聊天呢？...
Beneficiation removes clay and silica to considerable extent.富集操作除去粘土和硅石达到相当高的程度.A beneficiation process is used to increase the purity to 95 % or more.可采用富集方法将纯度提高到95%或更高.The composition and beneficiation test of MKS mi...
At very high temperatures, more endothermic reactions play a role.在很高的温度下, 更多的吸热反应起作用.by endothermic structural changes由吸收了热能的结构变化This process is endothermic with rapid carbon deposition and deactivation of the catalyst....
Jose, as usual, had climbed a tree to keep watch.乔斯像往常一样爬到树上放哨。This was a foreign country, so unlike San Jose.这是外国，与圣何塞很不一样。I guessed from his name that Jose must have been Spanish.根据他的名字我猜测何塞一定是西班牙人。...