Aerochronometer
航空精密时计
🗣️ 情景例句
That's nice. I'll be waiting for her call. Thank you.
太好了，那我就等她的电话。谢谢。
A secret between more than two is no secret.
两人以上知道的秘密就不算秘密。
I want to improve, but I don't know how.
我想提高它，但又不知道怎么样才能提高。