| 单词 | effective |
| 释义 | effectiveeffective /ɪˈfɛktɪv/ ●●● S3 W2 adjective 1producing the result that was wanted or intended OPP ineffective: The less expensive drugs were just as effective in treating arthritis.2[no comparative] if a law, agreement, or system becomes effective, it officially starts: His resignation is effective April 8.3done with skill, or having a skillful way of doing things: The effective use of color can make a small room look much bigger.4[only before noun, no comparative] real, rather than what is officially intended or generally believed: Rapid advancements in technology have reduced the effective lifespans of computers.—effectiveness noun [uncountable] |
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