词汇	His spirits drooped
释义	His spirits drooped. 他的精神不振。
随便看	integral action control integral action controller integral action factor integral action limiter integral action needle valve integral action rate integral action regulator integral action time integral-action time constant integral A/D convertor integral adjustment Integral Administration Integral advanced reactor integral age integral agroforestry ecosystem integral ahemator integral aircraft/engine aerodynamic design integral aircraft wing panel integral air pump integral air-scour integral algebraic integral algebraic function integral algebraic number integral algebraic quantity integral algebroidal function