After the crash,onlookers said that the plane had suddenly dropped down out of the sky.
飞机坠毁后旁观者说飞机是突然

掉下来的。
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About 700,000 children in Mexico dropped out of school last year as recession-stricken families pushed kids to work, and a weak economic recovery will allow only a slight improvement in the drop-out rate in 2010, a top education official said.
高级教育官说,墨西哥去年大约有700,000个孩子因为受经济不景气
影响而被家人逼去工作,

经济复苏将对2010年
辍学率只带来轻
好转。