n. 三个月,学期
网络 三学期制; 三个学期; 怀孕第三期
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。
Especially during the final trimester.
特别是在怀孕终期。
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。
The effect in the second trimester of pregnancy was most marked.
在怀孕的第4-6个月时影响最为显著。
I love sleep and I love my bed, but both deserted me in the third trimester.
我喜欢睡觉,我爱我的床,但在后期的时候他们都遗弃了我。