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...
The photosynthetic responses determine the habitat of P . rubens and P . Mariana in the climax forest.光合反应决定红云杉和黑云杉在顶极林中的生态环境.Mariana just graduated and got a job in New York City.不久前玛丽安娜(Mariana)刚刚毕业,并在纽约市找了份工作.Mariana ...
a young woman of impressive educational attainments一位学业成就斐然的年轻女子He is a scholar of the highest attainments in this field.他在这一领域是一位颇有造就的学者.He is a scholar of the highest attainments.他是位造诣很深的学者....