正文

VOA慢速英语:Babies and Intelligence

2010-11-30来源:和谐英语

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1.The researchers attempted to measure the sensitivity of the mothers.

attempt to试图，企图

例句：Never attempt to fight a fire wearing a respirator or breathing apparatus.
绝不要尝试在带着呼吸器或呼吸装置的情况下去救火。

2.By the end of the first year, most children are able to say a few simple words.

by the end of到…为止

例句：He had finished his great works by the end of 1980.
到1980年底, 他已完成了他的巨著。