和水不同，食物可以安全地分配，除了对小孩和孕妇外。
Food, unlike water, may be rationed safely, except for children and pregnant women.
所以有钱的聪明孕妇们吃很多的富含多元不饱和脂肪酸的食物。
Smart mothers-to-be in the rich world take plenty of these fatty acids.
英国食品标准局称，孕妇每周需要进食两次鱼类食物。
Pregnant women should eat fish twice a week, says the Food Standards Agency.
有些孕妇特别喜好吃酸性和生冷食物。
Some pregnant women like eating the acidity and raw and cold food specially.
有些孕妇特别喜好吃酸性和生冷食物。
Some pregnant women like eating the acidity and raw and cold food specially.
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