Spermolysin
[医] 溶精子素, 精子毒素
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
I'm tired of going to school day after day.
我厌倦每天上学。
He did not look up from his desk when I entered.
我进去的时候，他连头也没抬。