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小测验：选择正确的单词
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effectual [i'fektʃuəl]
基本释义
- a. 有效果的,会应验的,有效的
词形变化
- 名 词：ef·fec'tu·al'i·ty, ef·fec'tu·al·ness副 词：ef·fec'tu·al·ly
参考例句
- Quinine is an effectual preventive for malaria.
奎宁是有效的疟疾预防药。
- Quinine is an effectual preventive for malaria.
英英解释
2个形容词解释
- producing or capable of producing an intended result or having a striking effect
[同] effective, effectual, efficacious
[反] ineffective, ineffectual, uneffective
[例]- an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation
- effective teaching methods
- effective steps toward peace
- made an effective entrance
- his complain
- having legal efficacy or force
[同] effectual, legal, sound
[例]- a sound title to the property
- producing or capable of producing an intended result or having a striking effect