有效的, 被實施的, 給人深刻印象, 有生力量1. producing or capable of producing an intended result or having a striking effect
同義詞：effectual, efficacious
2. able to accomplish a purpose; functioning effectively
同義詞：efficient
3. works well as a means or remedy
4. exerting force or influence
同義詞：good, in effect, in force
5. existing in fact; not theoretical; real
6. ready for service
- 習慣用語
- be effective on 對...有效應, 對...起作用
- become effective (法律 、決議、協定等)生效
- be far from effective 很不得力
