Chloroflexies
绿屈挠菌属
🗣️ 情景例句
Don't be such a grouch.
不要总是牢骚满腹。
Can she be a driver?
她可能是个司机吗？
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。