/ɪnˈvæljuəbl ||; ɪnˈvæljυəbḷ/adj invaluable (to/for sb/sth) extremely useful 极其有用的;无价的:
invaluable help/information/support 极其宝贵的帮助╱信息╱支持 Be careful. Invaluable is not the opposite of valuable. The opposite of valuable is valueless or worthless. 注意:invaluable不是valuable的反义词,valuable的反义词为valueless或worthless。