an empty stomach

基本解释

It is best absorbed with carbohydrates, or on an empty stomach.
它在空腹时，或和碳水化合物一起时吸收最好。
They ate each other somewhat, it is true, which is the misery of evil mixed with good; but not a beast of them all had an empty stomach.
它们之间多少存在着相互吞噬的现象，是善和恶神秘的混合，但它们没有一个是空着肚子的。
If you need iron supplements take them on an empty stomach before bed rather than with meals or other mineral supplements to ensure you absorb as much as you need without compromising other nutrients.
如果你需要补充铁，在睡觉前空腹服用它们，而不要在吃饱后或与其它矿物补充品一同服用，以确保你尽可能多的吸收而不是被其它营养品分解或中和。

It's not enough to trade a prison of powerlessness for the pain of an empty stomach.
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And today, a people who once knew the pain of an empty stomach now feed those who hunger abroad.
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The hypothalamus reacts to ghrelin, a hormone excreted by an empty stomach, by releasing appetite-stimulating neurotransmitters into other parts of the brain.
FORBES: Health

空腹
We take their blood pressure and waistline on an empty stomach.
在空腹状态下测定腰围,血压。