单词	be difficult to find out
释义	be difficult to find out 很难找出来
随便看	scientific symbol scientific symposium scientific synthesism scientific system scientific system innovation scientific system support group scientific talent scientific talent concept scientific talents scientific talents concept scientific talents management scientific talents outlook Scientific targets scientific tariff scientific teacher scientific teachers scientific teaching scientific-tech file scientific technical cooperation scientific-technical english scientific technical film scientific-technical film scientific technical information scientific-technical information scientific-technical information collection