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a study of 100 of pregnant women in the Netherlands, researchers say they found evidence that fetuses have short-term memory of sounds by the 30th week of pregnancy, and develop a long-term memory of sound after that.

荷兰研究者在对100名孕妇进行调查后发现，在怀孕的第30周，胎儿就产生了对声音的短时记忆，之后则发展出对声音的长期记忆。研究者称他们已找到了证据来证实这一点。

The researchers documented the memory by watching fetal movements with ultrasound while they played "vibroacoustic" sound to the growing baby. Five of the fetuses in the study did not move in reaction to the sound and were eliminated from the study.  

研究者用一种特殊乐器给胎儿奏乐，通过观察胎儿的动作来记录他们的记忆。有五名胎儿没有对声音产生反应，因此被排除到研究之外。

While researchers have long documented "habituation" of the fetus -- an experiment with car horns and pregnant women in the 1920s was the first to do so -- child development specialists might not all agree that this is a form of memory as everyday people think of it.

虽然记录胎儿“习惯”的研究很早就有----最早有孕妇在1920年使用车喇叭的声音来记录，儿童发展专家并不认为这是我们日常所说的记忆。