Some examples of word usage: aerogrammes
1. I sent my friend a letter using aerogrammes.
我用航空信寄了封信给我的朋友。
2. Aerogrammes are a cost-effective way to send mail overseas.
航空信是一种经济实惠的海外邮寄方式。
3. My grandmother used to collect aerogrammes from different countries.
我的祖母过去常常收集来自不同国家的航空信。
4. The aerogrammes I received from my pen pal were beautifully decorated.
我从笔友那里收到的航空信装饰得非常漂亮。
5. Aerogrammes are a convenient option for sending short messages.
航空信是发送短信的便捷选择。
6. I prefer using aerogrammes when sending letters to friends abroad.
我更喜欢用航空信给海外朋友寄信。