粵典 (words.hk)Hong KongWordFeedback#效果;#功效(量詞:個) (effectiveness)名詞Examples教學成效gaau3 hok6 sing4 haau6effectiveness of teaching
粵典 (words.hk)Hong KongWordFeedback#效果;#功效(量詞:個) (effectiveness)名詞Examples教學成效gaau3 hok6 sing4 haau6effectiveness of teaching