Bacteriochloroghyll
[机] 细菌叶绿素
🗣️ 情景例句
All work and no play makes Jack a dull boy.
只有工作没有娱乐会使人呆头呆脑。
Knowledge is power.
知识就是力量。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。