例句與造句

1. the department of toxicology was officially approved to be the postgraduate-training spot for master degree of hygiene toxicology in 1993, and for doctoral degree in 2000
   1993年作為衛(wèi)生毒理學(xué)碩士點開始招收碩士研究生，2000年作為軍事預(yù)防醫(yī)學(xué)博士點毒理學(xué)專業(yè)開始招收博士生。
2. It's difficult to find train spotting in a sentence. 用train spotting造句挺難的