-cy meaning in English
短语和例子
表示“状态”，“性质”，“职权”，“地位”：
1.加于词尾为 -t 或 -n 的名词后：bankruptcy, captaincy.
2.使动词变成名词：occupancy (〈 occupy), vacancy (〈 vacate).
3.使词尾为 -ant, -ent, -te, -tic 等的形容词变成名词：ascendancy (〈 ascendant), expediency (〈 expedient), adequacy (〈 adequate), lunacy (〈 lunatic).