The active ingredient is acetylsalicylic acid.有效成份是[乙水杨酸].Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by strong - acid cation exchange resin.以水杨酸和乙酸酐为原料、强酸阳离子交换树脂为催化剂合成阿司匹林.A n...
This is undoubtedly logical.这显然是顺理成章的。Burke's sentiments undoubtedly struck a responsive chord in Parliament.伯克的观点无疑引起了议会的积极回应。Until these measures are taken, the perpetrators will remain free and the killings will ...
Analyses effect construction of set of droppers precision factor thus line, temperature, wire, manufacture, installation.分析了影响整体吊弦施工精度的因素,包括线路情况 、 环境温度 、 线材 、 加工 、 安装等方面.This article analyses some aspects about the legal...
The flagstones beneath their feet were worn smooth by centuries of use.他们脚下的石板路经过数百年的踩踏，磨得光溜溜的。They had five centuries of domination by the Romans.他们被罗马人统治了5个世纪。His paintings look as if they have been knocking around for...
A few guest houses had "No Vacancies" notices in their windows.有几家旅社在窗户上贴出了“客满”的告示。Most vacancies are at senior level, requiring appropriate qualifications.大多数空缺属于高层职位，要求具备相应的资历。When vacancies occur, the office puts out ...
Call in an architect or surveyor to oversee the work.找个建筑师或监理员来监工。Call in this evening if possible.可能的话今晚来一趟.How many friends will you call in?你将邀请多少位朋友?...