今天我们要学的词儿是backlog。 Backlog是指积压的意思。"a backlog of orders" 就是积压的订单。"A backlog of mail" 是积压的邮件。我休产假回来上班后，有一大堆工作等着我做，可以说 "When I returned from maternity leave, there was a backlog of work waiting for me."

美国正在就移民改革议案进行辩论，让非法移民有可能变为合法，但是在此之前，"There is a backlog of existing cases to eliminate," 是说移民局必须先把现有的积压案件处理掉。好的，今天我们学习的词儿是backlog...

1 backlog

n.积压未办之事

参考例句：

It will take a month to clear the backlog of work.要花一个月的时间才能清理完积压的工作。

Investment is needed to reduce the backlog of repairs.需要投资来減轻积压的维修工作。

2 maternity

n.母性，母道，妇产科病房;adj.孕妇的，母性的

参考例句：

Women workers are entitled to maternity leave with full pay.女工产假期间工资照发。

Trainee nurses have to work for some weeks in maternity.受训的护士必须在产科病房工作数周。