Experts estimate that surgical complications result in at least one million deaths a year. The W. H. O. says studies suggest that about half of these problems may be preventable.
专家估计每年至少有一百万人死于外科手术并发症，世界卫生组织说，调查研究认为这些问题大约有一半是可以避免的。
Covering more than half a million square miles of ocean located between Bermuda, Florida and Puerto Rica, the term "Bermuda Triangle" was first coined by writer Vincent H. Gaddis in 1964.
“百慕大三角”一词最先于1964年由作家文森特•嘉迪斯提出，是指百慕大群岛、佛罗里达州和波多黎各之间超过五十万平方千米的海域。
Covering more than half a million square miles of ocean located between Bermuda, Florida and Puerto Rica, the term "Bermuda Triangle" was first coined by writer Vincent H. Gaddis in 1964.
“百慕大三角”一词最先于1964年由作家文森特•嘉迪斯提出，是指百慕大群岛、佛罗里达州和波多黎各之间超过五十万平方千米的海域。
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