Bacteriochloroghyll
[机] 细菌叶绿素
🗣️ 情景例句
Spring is at hand.
春天即将来临。
What should I do?
我该怎么办呢？
Mr. Smith knew Jack didn't look at the others because he was nervous.
史密斯先生知道杰克不敢看别人是因为紧张。