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。...

night and day的音标：night and day的英式发音音标为：[nait ænd dei]night and day的美式发音音标为：[naɪt ənd de]...

夜以继日，日夜...