...the raucous cries of the seabirds.海鸟喧闹的叫声The island is covered with seabirds.岛上到处都是海鸟。Oil pollution is the commonest cause of death for seabirds...石油污染是造成海鸟死亡最常见的原因。The seaside fish market is a ready food supply for s...
OPEC production is holding at around 21.5 million barrels a day.石油输出国组织的石油产量保持在每天约2,150万桶。The agreement sets the ceiling of twenty-two-point-five million barrels a day on OPEC production.协议规定，欧佩克每天的原油产量不得超过22,500,000桶。Th...
Forty - five convalescent patients with acute myocardial infarction were studied by dobutamine echocardiography stress test ( EDST ).用超声心动图多巴酚丁胺负荷试验 ( DEST ) 检查了45例急性心肌梗塞恢复期病人.Echocardiography revealed massive right hemo...