Surveyors marched inland from the coast for thousands of miles, stopping at increments of as little as a few feet to measure their elevation, and marking each increment with two poles.
测量员从海岸向内陆行进数千英里,每增加几英尺就停下来测量海拔,每增加一英尺就用两根杆子做标记。
Once ingested by a caterpillar, the protein globule dissolves, releasing thousands of viruses, or virions, that after about two weeks multiply enough to fill the entire body cavity.
一旦被毛虫摄入,蛋白质小球就会溶解,释放出数以千计的病毒或病毒粒子,大约两周后这些病毒就会大量繁殖,足以填满整个体腔。
When 28% of English children aged two to 15 are obese, a national shift on the scale achieved by Leeds would lengthen hundreds of thousands of lives.
英国2至15岁儿童中有28%患有肥胖症,利兹市所实现的全国性转变将延长数十万人的寿命。
Two days earlier, French President Nicolas Sarkozy was in Germany as thousands of people remembered a different war the Cold War.
VOA: special.2009.11.14
A national team led by two doctors at the University of California, Davis,studied hospital records from thousands of children with head injuries.
VOA: special.2009.10.28
The two withdrawals followed problems with the nomination of Treasury Secretary Tim Geithner who also had failed to pay thousands of dollars in taxes.
VOA: special.2009.02.06
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