In captivity, where they live in zoos and science centres, they can be taught American Sign Language so that they can communicate with their hands.
在圈养的情况下,它们生活在动物园和科学中心,它们可以学习美国手语,这样它们就可以用手交流。
E. science centres and planetariums.
e科学中心及天文馆。
If experience of science centres elsewhere is anything to go by, attention in this age bracket is notoriously tricky to attract and retain.
若是说其他科学中心的经验有什么可以借鉴的,就是这个年龄段的人臭名昭著的难以取悦。
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