| 例句 |
The second trimester is generally the easiest part of a pregnancy.一般说来，第二个三月期是怀孕期间最轻松的一段时间。Some women experience morning sickness during the first trimester of pregnancy.有些妇女在怀孕的头三个月里，早上有恶心感。Many students arrange internships or work-study placements during the second trimester.许多学生在第二学期安排实习或半工半读。 |