a class of obstreperous children一班吵闹的学生You know I have no intention of being awkward and obstreperous.你知道我无意存心作对。Giles Gosling himself was somewhat scandalized at the obstreperous nature of their mirth.吉尔斯·戈斯林本人看到大家高兴起来那...
There is a backlog of repairs and maintenance in schools.对各学校的修缮和维护工作积压了一堆。Investment is needed to reduce the backlog of repairs.需要投资来減轻积压的维修工作.A huge backlog of work had built up.一大堆工作积压了起来....