日夜的英文：
day and night
around the clock
參考例句：
Day and night the giant arms of cranes move about, loading and unloading cargo
吊車的巨臂日夜移動,裝貨卸貨。He prayed to God night and day to endue him with the spirit of holiness.
他日夜祈求上帝賦予他虔敬的心。She had to learn and practice day and night without any breathing space, lest she should disappoint her mother.
她不得不日夜不停地苦練，以免使她的母親失望。That haunting episode of bygone days was to her mother but a passing accident.
那件日夜盤據在她心頭的住事，對於她母親不過是一件過眼雲煙的偶然事件罷了。the alternation of day and night
日夜交替They ran the presses 24 hours a day.
他們日夜開動印刷機。The machinery operates night and day.
機器日夜轉動。Through the border, James travelled day and night.
詹姆斯日夜穿越著邊境。Preparations proceeded night and day.
準備工作在日夜進行。He carefully attended to the wounded soldiers day and night.
他日夜仔細照料傷員。 day是什麼意思：
n. 一天；白晝，白天；工作日；時代，時期
Things go on day by day.
事情逐日進行著。 Day by day the situation is improving.
情況在一天天地好轉。 Like this, day after day.
就這樣，日復一日。night是什麼意思：
n. 夜晚；黑夜；黑暗
adj. 夜晚的，夜間的'
It was an obscure night in early May.
那是五月初的一個朦朧的夜晚。The landlord bestowed him for the night.
店主留他住一夜。They pitched up for the night.
他們紮營過夜。 around是什麼意思：
adv. 大約；在周圍，在附近；旋轉；四處
prep. 在周圍；在某處；圍繞；四處
play around with
在一起廝混|玩弄|戲弄 The blades of the propeller turned around and around.
螺旋槳不停地轉動著。to wind around; to curl up; to revolve around; to orbit
