词汇	alternation law
释义	alternation law 更迭律
随便看	aggregate surplus aggregate system aggregate table of mortality aggregate technique aggregate teclsiming plant aggregate telegraph input signal aggregate telegraph signal aggregate telegraph speed aggregate theory aggregate thickness aggregate time slot aggregate tin aggregate to aggregate contact aggregate tonnage aggregate total aggregate total surface area aggregate toxicity aggregate traffic aggregate trailer aggregate transaction aggregate transfer mode aggregate transfer rate aggregate treated earth road aggregate turnover aggregate turnover of advanced capital