片语
on leave prior to retirement退休前休假
go home on leave请假回家
on leave prior to resignation辞职前休假
on holiday在度假;在休假中
on a short leave作短期休假
absence on leave休假缺勤
to be on sick leave休病假
boundary layer on a leave叶面边界层
travel on home leave探亲假旅费
retuming home on leave休假告归