trimesterKK [traɪˋmɛstɚ] /tɹaɪˈmɛstɚ/发音名词1孕期三个月、妊娠期Morning sickness usually improves after the first trimester.孕吐通常在怀孕前三个月之后就会改善。2学期美式The school year is divided into three trimesters.这所学校的学年分成三个学期。3三个月Sales figures are reviewed at the end of each trimester.销售数字每三个月检讨一次。用这个字练口说→