It is best absorbed with carbohydrates, or on an empty stomach. 它在空腹時(shí)，或和碳水化合物一起時(shí)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. 它們之間多少存在著相互吞噬的現(xiàn)象，是善和惡神秘的混合，但它們沒有一個(gè)是空著肚子的。
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. 如果你需要補(bǔ)充鐵，在睡覺前空腹服用它們，而不要在吃飽后或與其它礦物補(bǔ)充品一同服用，以確保你盡可能多的吸收而不是被其它營養(yǎng)品分解或中和。
權(quán)威例句
It's not enough to trade a prison of powerlessness for the pain of an empty stomach. WHITEHOUSE: President Obama Speaks at the University of Yangon
And today, a people who once knew the pain of an empty stomach now feed those who hunger abroad. WHITEHOUSE: President Obama Addresses the Irish People
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