🗣️ 情景例句
Hello, Air China Flight Reservations. May I help you?
喂，你好，中国航空公司订票处，需要帮忙吗？
You can receive our program at short wave 37.5 MH.
你可在短波37.5赫兹上收到我们的节目。
Do you have any writing paper?
您有信纸吗？