Optimal levels of DHA are therefore crucial for pregnant and lactating mothers.DHA的最优量对于怀孕和哺乳期妇女非常重要.We are and fatherless , our mothers are as widows.3我们是无父的孤儿; 我们的母亲好象寡妇.Most mothers are insecure about their performanc...
这就为巨变埋下了伏笔, 如果政治家们胆敢一试的话.That sets the scene for big changes, if politicians dare.作者使用伏笔去创造兴趣或设立悬念.Writers use foreshadowing to create interest and to build suspense.故事的开端为悲剧性的结尾埋下了伏笔.The beginning of the story foreshado...