Mitogenicity
丝裂原活性
🗣️ 情景例句
We had a cat when I was eight years old.
我八岁时养过一只猫。
Just a few months.
才几个月。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。