工作证的英文：
employee's card

参考例句：

I．D．card;Employee's card
工作证

Produce your student card of identity card when borrowing books. Borrow only book at a time.
借书时出示学生证或工作证，每次限借一本。

employee是什么意思：
n. 职员，员工，受雇人员

Most employers pay their employees on time.
大多雇主为雇佣者按时付薪酬。

Their situations are now reversed as employee has become employer.
他们双方的地位转换了,雇员成了雇主.

The Employees' Compensation Division of the Labour Department, which administers the Employees' Compensation Ordinance, assists injured employees and dependants of deceased employees in obtaining compensation from their employers.
劳工处雇员补偿科负责执行《雇员补偿条例》，协助受伤的雇员和已故雇员的家属向雇主索偿。

Choice-referring to employer and employee choosing each other in the job interview
双向选择

Employers give red packets to their employees as a year-end bonus.
雇主发红包给他们的员工当作年终奖金。

card是什么意思：
n. 硬纸片；卡片；明信片；纸牌；银行卡；信用卡；赛事安排；王牌
v. 记于卡片上

A card stacker in card sorter.
卡片分类机中的一种接卡箱。

Carding is accomplished by wire cards or granular cards.
梳棉工作是由梳理针布或微粒针布完成的。

an ace at cards
玩纸牌的高手

(of cards) a joker
丑角牌

carding machine
纺织业