during

1. The thief broke into the house during the night.
   小偷在夜间破门进入住宅。
2. He swims every day during the summer.
   他夏天每天游泳。

dur.ing

prep.（介词）
Throughout the course or duration of:
在…期间：
例句：
suffered food shortages during the war.
在战争期间受食品短缺之苦

At some time in:
在…某个时候：
例句：
was born during a blizzard.
生于暴风雪降临的时候

来源：
Middle English [from present participle of] duren [to last]
中古英语 [] 源自duren的现在分词 [持续]
from Old French durer
源自 古法语 durer
from Latin dôr3re * see deu…-
源自 拉丁语 dôr3re *参见 deu…-