Discuss pollution with your child, emphasizing how nice a clean street, lawn, or park looks.和孩子讨论污染问题，强调清洁的街道、草地或公园有多么美丽。He listened in silence as Niccolini rattled on, emphasizing his remarks with one hand and steering ...
In this paper, a discrete stage - structured epidemical model is proposed and studied.本文主要讨论了离散的阶段结构传染病模型.OBJECTIVE To explore the administration measures of air condition usage in SARS epidemical period.目的研究传染性非典型肺炎流行期间...
她是校合唱队的成员。She sings in the school choir.合唱队的座位高于乐队席.The chorus was seated above the orchestra.只能当个 合唱队 队员.Just another chorus girl -- that's all . "...