amount of sperm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(wú)花果可增強男性精子活力，增加精子數量，并治療男子不育癥。 - Furthermore, if males do mate with transsexual individuals, they deliver relatively few sperm to them.
即使雄性與變性個(gè)體交配了，射出的精子數量也比較少。
