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。We are faced with a backlog of orders we can’t deal with.我们面对一大堆未交付的订单。(在英国指担心订货积压不易脱手，又“无奈”意；在美国指生意兴隆，有“踌躇满志”意)Investment is needed to reduce th...
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....
汽车挡风玻璃上雨刷的速度是可变的.The speed of the windscreen wipers is variable.水平抗性在野生状态下是可变的, 它可以驯化.Horizontal resistance, being variable in the wild state, can be domesticated.人眼瞳孔直径 当然 是可变的.The human eye has a pupil diameter which, ...