找个建筑师或监理员来监工。Call in an architect or surveyor to oversee the work.她是个严苛的女监工.She is a hard taskmistress.只要监工不在, 大多数工人就磨洋工.When the overseer was not in, most of the workers would lie down on the job....
污水中的营养物确实会加快港口的海藻生长。Sewage nutrients do increase algal growth in the harbour.戴维·克莱门特上尉和150名突击队员今天早上对港口展开突袭。Captain David Clement and 150 commandos stormed the port this morning.我挥手告别，然后走下港口石阶。I waved goodbye and went dow...
Vaccination immunizes one against smallpox.接种牛痘能使人免患天花.Vaccination and other prophylactic measures can be carried out.可以采取疫苗接种和其他预防措施。Smallpox can be contained by vaccination.种牛痘疫苗可以控制住天花.Researchers continued to study t...