“punch card”概念、定义、翻译-科学时代

单词	punch card
释义	力学词汇手册 punch card 穿孔卡片
随便看	stem family stem flow stem form stem-formed wood stem grafting stem-inflected language stem-length stemless stemless plant stemlet stemlike stemlike leaf stemma stemma stemma stemmacantha stemmate stemming stemming stemming stemming material stemming material stemming ratio stemona stemonaceae

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。