Peptostreptococcus
消化链球菌属
🗣️ 情景例句
You really have been working too hard.
你们确实太忙了。
The population of Africa is growing by leaps and bounds.
非洲的人口正在极其迅速地增长。
I play the guitar, piano and jazz violin.
我弹吉他、钢琴以及拉爵士小提琴。