Rachigraph
脊柱描记器
🗣️ 情景例句
Dear Mr. Billet.
尊敬的比利先生。
Pleasure has a sting in its tail.
乐中必有苦。
In 1860, a better plan was put forward by an Englishman, William Low.
1860年，一位名叫威廉。洛的英国人提出了一项更好的计划。