Polycyclization
聚环作用
🗣️ 情景例句
The shopping: the salad:
购买项目 沙拉
We have agreed on all terms in the contract. Shall we sign it next week?
我们对合同各项条款全无异议，下周签合同如何？
What did your boss say to him?
你老板是怎么对他说的？