Chromogen
n. 色原, 铬精\\n[化] 发色体; 色原体
🗣️ 情景例句
I had never been there before.
我以前从来没有去过那里 。
To throw a pass
经过
It later became apparent that rabbits were developing a degree of resistance to this disease,
后来，明显看出，兔子对这种疾病已产生了一定程度的免疫力，