没有人注意到他不在场。
She concocted some elaborate story to explain her absence.
她精心编造了解释她不在场的一些谎言。
The case was dismissed in the absence of any definite proof.
此案因缺乏确凿证据而不予受理。
She took advantage of the children's absence to tidy their rooms.
她趁孩子们不在时收拾了他们的房间。
When it came to cleaning up afterwards, Anne was conspicuous by her absence.
后来到做扫除时，本应在场的安妮却因为不在而引起了注意。
"Was it strange for you, going back after such a long absence?"—"Yes and no."
“这对你来讲奇怪吗，这么长时间不在之后又回去？”—“不好说。”
It's not quite peace in the strictest sense of the word, rather the absence of war.
这个词就其最确切的意义而言不完全是和平，更像是没有战争。
He acted as chairman in my absence.
我不在时，他担任主席。
Red leaves only satisfy in the absence of greens.
只有没有绿叶时，红叶才令人满意。
Original mail returned in the absence of the addressee.
收信人不在，原件退回。
In the absence of actual data no reliance can be placed on such figures.
在缺乏实际资料的情况下，这样的数据不可靠。
Its absence might suggest a lack of warmth in interpersonal relationships.
它的缺失可能表明人际关系中缺乏温暖。
Why? Because there's more to life than just pleasure and the absence of pain, so it seems to me.
为什么？因为在我看来，生活不仅仅是快乐和没有痛苦。
Bats have an engineering problem: how to find their way and find their prey in the absence of light.
蝙蝠们遇到了一个技术上的难题：如何在没有光线的条件下认路和捕食。
However, these disorders often remain throughout life due to neglect or absence of specific kind of treatment.
然而，由于忽视或缺乏特定的治疗，这些疾病往往会伴随一生。
In the absence of gene flow between the subpopulations, genetic differences between the groups begin to accumulate.
在亚群体间缺乏基因流动时，群体间的遗传差异开始累积。
My elder sister is the center of my life. I never find the absence of love, friendship or guardian till I am with my sister.
我的姐姐是我生活的中心。和姐姐在一起为止，我从来没有缺少过爱情、友情和保护。
We are probably all familiar with background music in films, which has become so ubiquitous as to be noticeable in its absence.
我们可能都熟悉电影中的背景音乐，它已经变得如此普遍，以至于如果没有背景音乐便会显得很突兀。
The absence of oxygen on other planets means that those planets lack an ozone shield to protect life forms against UV radiation.
其他行星上没有氧气，这意味着这些行星缺乏保护生命体免受紫外线辐射的臭氧层。
Some geologists wondered whether the absence of friction-generated heat could be explained by the kinds of rock composing the fault.
一些地质学家想知道，是否可以用构成断层的岩石来解释没有摩擦产生的热量。
Their absence supports the picture of a cold, dry Mars that never experienced the extended mild period required to form lakes and oceans.
它们的缺失使寒冷、干燥的火星经历了从未经历过形成湖泊和海洋所需的延长温和期的景象。
There is "the democratizing uniformity of dress and discourse, and the casualness and absence of deference" characteristic of popular culture.
流行文化的特点是“着装和话语的民主化统一，以及随意性和缺乏依从性”。
In the absence of work, a society designed with other ends in mind could yield strikingly different circumstances for the future of labor and leisure.
在没有工作的情况下，一个怀揣着其他宗旨的社会可能会在未来的劳动与休闲方面产生截然不同的情形。
In areas with heavy automobile traffic, however, the seed germinates in the absence of fire, with automobile exhaust supplying the required nitrogen dioxide.
然而，在汽车交通繁忙的地区，种子在没有火灾的情况下借助汽车尾气提供所需的二氧化氮发芽。
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