effectiveness effect efficiency efficaciousness efficacy usefulness potency
The virtues of the invisible hand must be that much discounted.
看不见的手的效能必然要相应地降低。
—— 辞典例句However, it does not require an absorbed vapour layer to become effective.
然而, 它不需要被吸收的水汽层来发挥效能。
—— 辞典例句I asked about the efficiency of the new machine yesterday.
我昨天询问过该新机器的效能。
—— 辞典例句The immunogenic potency of soluble antigens may be considerably increased.
它们的免疫原效能可以提高很多。
—— 辞典例句Also the oxide itself is a moderately effective lubricant.
它的氧化物也是中等效能的润滑剂。
—— 辞典例句