Arnold could detect a certain sadness in the old man's face.
阿诺德能察觉到老人脸上的某种悲伤。
We are trying to detect and understand how the climates change.
我们在努力探测并了解气候是怎样变化的。
The new test should enable doctors to detect the disease early.
新的检验使医生能在早期发现该种疾病。
I detect an undercurrent of resentment towards the new proposals.
我察觉到对新提案有一股潜在的不满情绪。
The patrol can detect if something is going down or is about to go down.
巡逻队能发现是否有情况正在发生或即将发生。
How can you detect a liar through text messages?
你怎么能通过短信发现一个骗子呢?
This gives rats the ability to detect slight smells.
这赋予了老鼠察觉轻微气味的能力。
An animal that can't detect danger can't stay alive.
不能察觉危险的动物无法生存。
Your sense of smell can also help you detect weather changes.
你的嗅觉也能帮助你察觉天气的变化。
In school, we never give a child a chance to detect his mistakes.
在学校里，我们从不给孩子发现错误的机会。
But in school, we never give a child a chance to detect his mistakes.
但在学校里，我们从不给孩子一个发现错误的机会。
They've developed these sensors that can detect tiny amounts of ethylene.
他们已经开发了这些传感器，可以检测到微量的乙烯。
Another thing it uses ultrasound to detect is the size and shape of objects.
它还利用超声波来探测物体的大小和形状。
Their antennae and shells help them to detect and protect the security of themselves.
它们的触角和外壳帮助他们探测和保护自身安全。
How can scientists detect a particle that interacts so infrequently with other matter?
科学家们是如何探测到一种很少与其他物质相互起作用的粒子的呢？
You know that Snort is an intrusion detection system, but how does it detect intrusion?
您知道Snort是一种入侵检测系统，但它是如何检测入侵的呢？
Dr. Peter Kastl and his colleagues report that they can use tears to detect drug abuse.
彼得·卡斯特尔博士和他的同事发现，他们可以用眼泪来检测药物滥用问题。
His smile had no heart in it, but few eyes were near enough or sharp enough to detect that.
他的笑容里没有一丝一毫的感情，但很少有眼睛能近距离或敏锐地察觉到这一点。
As we eat, specialised receptors in the back of the nose detect the air molecules in our meals.
当我们吃东西的时候，鼻子后部的特殊感受器会检测我们食物中的空气分子。
They can detect ultrasound; this means that when a bat approaches, the moth can detect the bat's presence.
它们可以探测到超声波；这意味着当蝙蝠靠近，飞蛾可以察觉到它的存在。
This time he thought he could detect colicky symptoms, and he began to encourage them with considerable hope.
这一次，他认为他可以发现肚子痛的症状，他开始满怀希望让他们发作。
Radars used to track storms can detect water in the atmosphere only once it has condensed into clouds or raindrops.
用于跟踪风暴的雷达只能在大气中凝结成云或雨滴后才能够探测到水。
The company might be very optimistic, but the ability of their machine to detect deception has not provided credible proof.
该公司可能非常乐观，但他们的机器检测欺骗的能力并没有提供可信的证据。
The final electronic warfare suite will detect, analyze, evaluate, and react to EW threats fielded by potential adversaries.
最终的电子战设备将对潜在敌方的电子战威胁进行探测、分析和评估。
It is text that enables us to "uncover lies, confusions and overgeneralizations, and to detect abuses of logic and common sense."
正是文本让我们能够“发现谎言、困惑和过度概括，察觉逻辑和常识的滥用。”
Each of the preceding techniques provides the researcher with evidence that the infant can detect or discriminate between stimuli.
上述的每一种技术都为研究者提供了证据，证明婴儿能够察觉或辨别不同的刺激。
Dogs may have learned to detect threat signs from humans and respond by trying to make peace, according to researcher Sanni Somppi.
根据研究员桑尼·松皮的说法，狗也许已经学会了检测来自人类的威胁信号，并且通过努力讲和来回应。
For example, doctors did not have devices allowing them to go inside the human body to detect health problems or to perform delicate surgery.
例如，医生没有能够进入人体内检测健康问题或进行精细外科手术的设备。
British researchers claim that a routine eye test carried out by your optician could detect Alzheimer's up to 20 years before any symptoms show.
英国研究人员声称，验光师做的常规眼部检查能提前20年，在任何症状出现前检测出老年痴呆症。
For example, new survey techniques have enabled us to detect population increases when the starfish are quite young, so we can be ready for them.
例如，新的调查技术使我们能够在海星很小的时候就发现它们的数量增加，所以我们可以为它们做好准备。
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