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Vaso-occlusive pain crises (VPC) have been defined as the occurrence of pain in the extremities, back, abdomen, chest, or head that lasts 2 or more hours and cannot be explained except by the presence of sickle cell disease (1).
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VPC是指四肢、背部、腹部、胸部或头部出现疼痛,持续两小时以上,且不能为镰状细胞病以外的疾患所解释[1]。 |
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Vasodilation and sweating dissipate heat through radiation and conduction from the skin.
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血管舒张和出汗通过皮肤的辐射和传导散热。 |
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Vasodilation: leads to greater blood flow to the area of inflammation, resulting in redness and heat.
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血管扩张:炎症灶血流量增加使得局部红、热。 |
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Vasopressin administration has been shown in healthy humans to delay sodium excretion along with its antidiuretic action.
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在健康人中应用血管加压素可以使钠排泄延迟及抗利尿。 |
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Vast areas of land have become desert.
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广大的地区均已变成沙漠. |
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Vast bat-like wings sprout from his back, and his long snaky tail is tipped with a razor sharp poisonous tip.
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但他有着和人类一样的手臂,巨大的蝙蝠般的翅膀从他的背上伸展出来,他长长的蛇一般的尾巴尖端有着剃刀形的毒刺。 |
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Vast expanses of untamed wilderness punish intruders with feral brutality.
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广阔无边的无羁荒野用野性的残忍惩罚入侵者。 |
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Vast forests, a unique archipelago and thousands of lakes present a striking mixture of wooded hills and waters.
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广袤的森林、独特的群岛和数以千计的湖泊,将林木繁盛的山丘与流域惊人地融为一体。 |
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Vast information, data, a comprehensive collection of authoritative, scientific.
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资料浩瀚,数据量大,全面收集,权威、科学。 |
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Vast stores of carbon in the form of peat underlie much of the tundra in Alaska and Russia, evidence that for long periods Arctic tundra has been a net carbon sink; about 600 cubic miles of peat are currently in cold storage.
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碳以「泥煤」的形式大量储存在阿拉斯加与俄罗斯大部份的苔原底下,长期以来北极苔原一直都是碳的储存槽,现在约有2500立方公里的泥煤冷藏于此。 |
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Vast stretches of oceans appeal to us much the rather because their profundity is difficult of access.
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辽阔的海洋因其深奥难以理解才更引起我们的浓厚兴趣。 |