Spinamycin
刺霉素
🗣️ 情景例句
Mmm-hmm. Thanks.
嗯。谢谢。
Who is he?
他是谁？
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。