The drug improved mental alertness.
这种药物提高了大脑的灵敏度。
这个目的就是警惕。
They also increase alertness and energy.
它们也能提高机敏性和精力。
Research has shown that the lavender scent increases alertness.
研究表明薰衣草香味会提高人的警惕性。
And the body is made sensitive through alertness.
而身体因警觉而变得敏感。
I know him well in that mood of alertness and suspicion.
我对他这种警觉和猜疑的情绪是很熟悉的。
Do not assume that more sleep equals more energy and alertness.
但不要以为多睡就意味着精力充沛。
The general impression is that of power, agility and alertness.
给人的一般印象是力量、敏捷和机警。
Orange juice is said to increase alertness and cognitive function.
他们说橙汁能提高警觉性，加强认知功能。
The other half of the brain stays awake at a low level of alertness.
另一半大脑在低水平警戒状态下保持清醒。
Our body clock, or natural body rhythm, influences our energy and alertness.
我们的生物钟，或者说是生理节奏，会影响我们的精力和机敏度。
These neurotransmitters are known for their ability to increase levels of alertness and energy.
这些神经递质的功能在于提高人的警觉性和能量。
These neurotransmitters are known for their ability to increase levels of alertness and energy.
这些神经递质的功能在于提高人的警觉性和能量。
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