Bacteriochlorin
菌绿素
🗣️ 情景例句
As you please. I'm ready.
请便。我准备好了。
Scratch a Russsian, and you('ll) find a Tartar.
文明不能改变本性。
It was the first joy I had known for years.
我豁然开朗了。这是我多年来第一次感到高兴的事了。