Spermatolysin
溶精子素
🗣️ 情景例句
I plan to leave the present job in order to be able to get into the advertising business.
我想离开目前的工作是为了进入广告业务以寻求发展。
The wolf may lose his teeth, but never his nature.
江山易改，本性难易。
How long can you hold your breath underwater?
你在水里屏住气不呼吸能呆多久？