Numbers
辅助 Assistantn. 数字（number的复数）；算术
🗣️ 情景例句
Ring? Ring?
戒指？ 戒指？
John stopped to study.
约翰停下来去学习。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，