abbr.acceleration-deceleration unit 加速度-减速度单位，accessory dwelling unit 附属住所单位，accumulation-distribution unit 积累-分发单位，analog-to-digi tal (conversion) unit 模拟-数字（转换）单元...
He was at my door night and day, demanding my attention.他日日夜夜呆在我门口，想引起我的注意。Night and day begin to merge.夜尽昼来。Chantal kept a fire burning night and day.尚塔尔让一堆火日夜不熄地一直燃着。...