Pepthiomycin
肽硫霉素
🗣️ 情景例句
Sorry, I'm afraid I'm busy tonight.
对不起， 今晚我恐怕没空。
One party is entitled to cancel the contract if the other side cannot execute it.
如果一方不履行合同，另一方有权取消合同。
I live in a tall building in the city of Beijing.
我住在北京市的一幢高楼里。