1·At the end of the first trimester, the fetus is about three inches long.
在怀孕的第三个月末，胎儿差不多有三英寸长了。
—— 《柯林斯英汉双解大词典》
2·That's right: First Trimester Report!
对的：第一学期报告！
3·See your eye doctor within the first trimester of pregnancy.
在怀孕的前三个月要去看眼科医生。
4·During my first trimester of pregnancy, my skin got so dry.
在我怀孕的头三个月，我的皮肤变的很干燥。
5·By the end of this week, you'll have reached the end of the first trimester.
到这周结束的时候，你也撑到了怀孕前期的末尾。
6·Now that you’ve reached the end of the first trimester it’s fairly safe to spread the news.
既然你已经到了怀孕前期的末期，现在公布消息就相当安全了。
7·Congratulations! By the end of this week you'll have reached the end of the first trimester.
恭喜哦！到这周结束的时候，你也撑到了怀孕前期的末尾。
8·The first trimester is an important time in your pregnancy, especially in terms of nutrition.
妊娠初期，尤其是在营养方面，对孕妇来说是非常重要的。
9·Congratulations! By the end of this week, you'll have reached the end of the first trimester.
恭喜哦！到这周结束的时候，你也撑到了怀孕前期的末尾。
10·Your body needs 300-500 extra calories a day when you're pregnant even less in the first trimester.
当你怀孕的时候，身体每天额外需要300——500卡路里的热量，在怀孕前期可能更少。