day-dream

基本解釋

Those with the attention-deficit component find it difficult to concentrate, are easily distracted and likely to day-dream.
那些注意力不足的人發(fā)現(xiàn)很難去集中注意力，容易分心和想入非非。
Friedrich Kekule discovers the unique ring like structure of the molecule benzene right after he wakes up from a day-dream about snakes chasing their own tails and forming rings.
弗里德里?！P庫勒發(fā)現(xiàn)分子苯的結(jié)構(gòu)想一個環(huán)狀的客觀事實，正是醒于當天的一個白日夢后知道的，在夢里他夢見一群蛇都在追逐著各自的尾巴，于是形成了好多環(huán)形。
It seems as if he were in a day-dream.
看起來他好像在做黃粱夢。

We have to dream beyond the day-to-day living.
夢想必須超越我們?nèi)諒?fù)一日的生活。
麻省理工公開課 - 固態(tài)化學(xué)導(dǎo)論課程節(jié)選
So,I'm telling you from the beginning, but don't dream and think that somehow the Final's going to be so much different from your regular day-to-day performance, but to give you some reason to live after the Midterm.
所以我在開始告訴你們,但是,不要以為你們的最終成績,和你們的平時表現(xiàn),沒什么關(guān)系,但這能讓你們不至于期中的時候就絕望了
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選

Read on and we'll discover how this is possible and what it could mean for the dream of all-day mobile computing.
ENGADGET
So, one day I had a wild dream about having a C-130 plane with all these materials and props inside, all ready to go!
FORBES: The Dream About An Innotribe C-130

If you daydream, you think about pleasant things for a period of time, usually about things that you would like to happen.
A daydream is a series of pleasant thoughts, usually about things that you would like to happen.