quarter's 额...不是...就是workYour instructor is in the laboratory to answer any question that come up in the course of the quarter's work.

quarter's 额...不是...就是workYour instructor is in the laboratory to answer any question that come up in the course of the quarter's work.
quarter's
额...不是...就是work
Your instructor is in the laboratory to answer any question that come up in the course of the quarter's work.

quarter's 额...不是...就是workYour instructor is in the laboratory to answer any question that come up in the course of the quarter's work.
楼上的分析不对,hourly employee：钟点工
楼主有没有写错,是不是想写 quarter's walk?是Walk not work.
如果是这个,应该是---15分钟的路程.
是四分之一的工作.

钟点工？大概吧。。