仔细研究穷人的生育行为是很重要的，因为有大量关于婴儿高死亡率的“替代效应”的文献。
A closer look at the fertility behavior of the poor is important because of the extensive literature on the "replacement effect" of high infant mortality.
这种论调模糊了一个论点，即：对于美国与以色列之外的先进国家而言，“替代生育率”与婴儿的低出生率，二者必居其一。
This obscures the point: for every big advanced country besides America and Israel, the alternative to “replacement rate” fertility is a baby bust.
不过，这个发现令人担忧，非常有必要找出婴儿用品材料的替代方案。“杜克大学的环境化学家、首席研究员HeatherStapleton，如是说。”
Still, the findings are worrisome enough that it's worth seeking out alternatives, said lead researcher Heather Stapleton, an environmental chemist at Duke University in Durham, n.c..
随着试管婴儿的数量创下历史最高纪录，部分医生开始尝试有可能花费更低、对女性身体的损害也较轻的替代方法。
With the number of babies born through in vitro fertilization at an all-time high, some doctors are trying an alternative that potentially could be less expensive and less taxing on a woman's body.
我们用红球替代蓝球，观察婴儿是都注意他们的区别。
We substituted red balls for blue to see if the babies would notice.
虽然他的诉求与主张的婴儿的自我找到替代父母的自己的自我，他原先被抛弃感觉始终刻骨铭心。
He was abandoned in the wilderness to die. While his appealing-assertive baby self found substitute parents' own deep the sense of his original rejection must have remained.
本研究的目的就是以大宗动植物油为原料，模仿天然人乳中的脂肪酸组成和甘三酯结构，研制人乳脂替代品，其产品将作为婴儿奶粉的脂肪配料。
The objective of this study is to produce human milk fat substitutes, which mimic tatty acid and triacylglycerol compositions found in human breast milk, as fat ingredients of infant formula.
结论婴儿奶方中脂肪酸组成较牛光更接近于人乳，但不能完全替代人乳。
Conclusions Compared with cow milk, the fatty acid composition of infant formulas was more close to that of human milk, but infant formulas can not completely substituted for human milk.
非乳制的咖啡乳脂替代品，泡菜，调味品，芝士酱，鸡蛋替代品，汤，婴儿食品，特制酱料。
Nondairy coffee creamer, pickles, relish, cheese sauce, egg substitutes, soups, baby foods, specialty sauces.
母乳替代品或配方奶喂养增加了因传染性疾病和营养不良而导致婴儿死亡的风险。
Replacement or formula-feeding increases the risk of mortality from infectious diseases and malnutrition7.
偶而用替代牛奶的配方奶可以确定婴儿是否存在牛奶不耐受，但应避免频繁换用。
A milk-substitute formula may be tried briefly to ascertain whether milk intolerance exists, but frequent formula switching should be avoided.
偶而用替代牛奶的配方奶可以确定婴儿是否存在牛奶不耐受，但应避免频繁换用。
A milk-substitute formula may be tried briefly to ascertain whether milk intolerance exists, but frequent formula switching should be avoided.
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