Coproporphyrin
粪卟啉
🗣️ 情景例句
and a good night's sleep.
睡一个好觉。
I'm afraid it won't be cold enough for a snowfall.
我恐怕天不会冷的下雪。
I'm afraid it's the cheapest one we've got.
恐怕这一套算是我们这里最便宜的了。