Zonograph
厚层断层摄影法
🗣️ 情景例句
But, like your Grandpa suggested,
但是， 照你爷爷所建议的，
It really comes in handy.
有了它真是方便。
Many strange new means of transport have been developed in our century,
本世纪已研制出许多新奇的交通工具，