Spermoplasm
[醫] 精質(精細胞原生質)
??? 情景例句
I'll say.
是的。
He plays violin just for enjoyment.
他拉小提琴只是為了自娛自樂。
only of metal, which wears away by friction.
而是由金屬組成，而金屬可以隨著磨擦而磨損殆盡。