His mind was in a fog when he finally got up.他终于起床了,头脑一片混沌。The fog had lifted and revealed a warm, sunny day.雾已经散了,看来是温暖晴朗的一天。She heard the sound of the guns thundering in the fog.她听到雾中传来隆隆的枪炮声。...
Forms of gastroenteritis include food poisoning, cholera, and traveler's diarrhea.胃肠炎的病因还有食物中毒 、 霍乱和旅行者腹泻.An inoculation against cholera is recommended.建议注射预防霍乱的疫苗。They feared a new cholera pandemic...他们担心新一轮的霍乱大流行。...
Imposing speed restrictions is easy, but forcing motorists to observe them is trickier.限制车速容易,但强制司机遵守这些限速规定就难办多了。Imposing speed restrictions is easy, but forcing motorists to observe them is trickier...限制车速容易,但强制司机遵守这些限速...