Spheroechinocyte
棘球状红细胞
🗣️ 情景例句
I think aerobics is easy.
我觉得有氧运动很容易。
I suppose so.
我想是这样。
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。