在气象图上气压差用等压线表示.Pressure differences are indicated on weather maps by isobars.具有大致同心的等压线的低压区在技术上称为气旋.A region of low pressure with roughly concentric isobars is known technically as a cyclone.气压梯度与天气图上等压线的间隔大小成反比.A line o...
Cheap flights are available from budget travel agent from £240.收费低廉的旅行社可以提供240英镑起的低价机票。Keep that bumptious bastard out of my hair, but book me on his flights.别让这个自高自大的家伙惹我生气, 不过在替我订票的时候,要订他飞的班次.All outgoing flights were ...
Mary heard the penetrating bell of an ambulance.玛丽听到了刺耳的救护车警铃声。He never stopped asking penetrating questions.他一直在问一些尖锐的问题。He had an extraordinarily penetrating gaze.他的目光有股异乎寻常的洞察力....
Her faded calico dress was open to the waist and her large bronze breast exposed.她那件褪色的印花布衣裳敞到腰部,青铜色胸脯完全裸露在外面.As Hetty concluded, she reverently unrolled a small English Bible from its envelope of coarse calico.海蒂说完, 就庄重...
因此,必须选择适当的馏分油,用调合法使它满足市场的要求.And optimum selection of crude types to meet market requirements by blending is necessary.C5馏分油主要来源于石油烃高温裂解制乙烯过程的副产品,随着乙烯工业的发展,乙烯废弃的C5馏分量逐年增大.另一方面,民用燃料需要量颇为可观.C 5 distillate of ethylene access...
脉搏增快和烦躁是缺氧的早期征兆.A fast pulse and restlessness are early signs of oxygen deprivation.目的探讨川芎嗪对一氧化碳中毒性缺氧的耐受作用.Objective To explore resistance to carbon monoxide poisonous hypoxia by Ligustrazin.必须把缺氧的人转移到有新鲜空气的地方.Persons la...