Pitchometer
n. 螺距测量仪,螺距规,节距规
🗣️ 情景例句
What did you do?
那你们怎么办呢？
One today is worth two tomorrows.
今天一天抵明天两天。
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。