sperm activity的用法和樣例：
例句
- Figs increase the mobility of male sperm and increase the numbers of Sperm as well to overcome male sterility.
研究表明，無花果可增強男性精子活力，增加精子數量，並治療男子不育症。 - Carnitine in seminal plasma plays an important role in maintaining motility of sperm and evaluating male reproductive ability.
精漿中肉毒鹼水平對精子活力的維持及男性生育能力的評估具有重要的作用。
