“uncollectable account”概念、定义、翻译-科学时代

单词	uncollectable account
释义	商务词汇手册 uncollectable account 坏账，呆账
随便看	student certification student character evaluation student class student constitution evaluation student contact hour student council student counselling service student credit hour student dependence student-developed material student diary student distribution student dropout rate student employment student employment service student enrolment student evaluation student evaluation of teacher performance student evaluation organization student exchange programme student exercising habit student expenses for different living cost student experience student experiment skill evaluation student fare

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。