Estriol
n. 雌激素三醇\\n[化] 雌三醇; 16,17-二羟甾酚
🗣️ 情景例句
Over?
结束？
If he doesn't take care of him, I will.
如果他不，我将照顾他。
If people don't stop polluting the seas and rivers, there will be no fish left.
如果人们不停止污染海洋和河流的行为，那么，就没有鱼会留下来了。