Bacteriochlorin
菌绿素
🗣️ 情景例句
We love having you here,
我们喜欢你们住这里，
Happens all the time.
常有的事。
It has never been explained why university students seem to enjoy practical jokes more than else.
谁也弄不清为什么大学生好像比任何人都更喜欢恶作剧。