“jack”概念、定义、翻译-科学时代

单词	jack
释义	地质学词汇手册 jack 闪锌矿；烛煤质页岩
随便看	current savings account current school statistics current screening phenomenon current shear front current sheet current shifting current sink current situation current situation current speed current spot contracting current standard current standard container current standard cost current subscription current subscription current surface current surplus current surveying current surveying current system current table current tax current temperature coefficient current text

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。