tri·mes·ter /(ˌ)traɪˈmɛstɚ/
三個月,學期
tri·mes·ter /(ˈ)traɪˈmɛstɚ, ˈtraɪˌ/ 名詞
妊娠期的三個月
Tri·mes·ter n. A term or period of three months.
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trimester
n 1: a period of three months; especially one of the three
three-month periods into which human pregnancy is
divided
2: one of three divisions of an academic year