effectual
英 [ɪ'fektʃʊəl; -tjʊəl]
美[ɪ'fɛktʃʊəl]
- adj. 奏效的；会应验的；有法律效力的
英英释意
- 1. sufficient to produce a result;
- "a man to whom painting was but another and less effectual way of writing dramas or novels or history"
- 2. producing or capable of producing an intended result or having a striking effect;
- "an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation"-LewisMumford
- "effective teaching methods"
- "effective steps toward peace"
- "made an effective entrance"
- "his complaint proved to be effectual in bringing action"
- "an efficacious law"
- 3. exerting or capable of exerting strong physiological or chemical effects;
- "an effectual vaccine"