Violacein
紫色杆菌素
🗣️ 情景例句
I'd like to have your opinion.
我想听听你的意见。
The master always exacts quality work from his students.
老师常常要求学生们认真踏实的完成功课。
It is eight o'clock.The children go to school by car every day, but today, they are going to school on foot.
现在是8点钟。孩子们每天都乘小汽车去上学，而今天，他们正步行上学。