那些在正常海水中长大的鱼苗遇到前方障碍物时，要么总是向左转，要么总是向右转，就像左撇子或者右撇子一样。
Each fish that had been spawned in the normal water consistently preferred to turn either right or left every time it reached the barrier, a sign of "handedness."
在交通灯处向左转，你会看到医院就在正前方。
Turn left at the traffic lights, and you'll see the hospital straight ahead.
过了旅馆向左转，北海公园就在你的正前方。
Just turn left after the hotel and Behai Park is straight ahead.
过了旅馆向左转，北海公园就在你的正前方。
Just turn left after the hotel and Behai Park is straight ahead.
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