重量轻，不碎，瓶子是安全的，易于处理，而他们有弹性的建设，使浇注既方便和乐趣。
Lightweight and shatterproof, the bottles are safe and easy to handle, while their squeezable construction makes pouring both convenient and fun.
教师享受了高科技手段带来的方便和乐趣，课堂活跃了，容量增大了，但教学效果并不明显。
The teacher enjoyed high technology means to bring of convenience and fun, classroom active, capacity enlarge, but teaching effect not obvious.
目前，各种娱乐、示教、服务类型的机器人正在走进我们的日常生活，它们也将为我们的生活带来很多的方便和乐趣。
Currently, all kinds of robots which provide entertainment, teaching, and service are stepping into our daily life, they will also bring many convenience and pleasure to us.
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