a useful invention信息详情
a useful invention发音
意思翻译
有用的发明
相似词语短语
a useful───有用的
invention───n.发明;发明物;虚构;发明才能
useful───adj.有用的,有益的;有帮助的
a useful book───一本有用的书
steamship invention───蒸汽船发明
accidental invention───偶然发明
invention maker───发明创造者
useful charts───有用的图表
choric invention───合唱发明
双语使用场景
Robot rescuers would be a useful invention.───机器人救护员也将会是项有用的发明。
a patent, an invention must not just be novel, but also useful and non-obvious.───一项可专利的发明不仅内容要新奇,也要具备实用和非显而易见性。
It will be a useful invention, won't it?───这将是一个有用的发明,不是吗?
英语使用场景
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