Olation
[化] 羟连作用
🗣️ 情景例句
Can you tell me where the tourist sites are located?
你能告诉我本地有什么旅游名胜吗？
They called us just as we were having dinner.
当我们正在吃晚饭，他们就打电话给了我们。
Goodbye, Helen.Nice to see you.
再见，海伦。见到你真高兴。