| 释义 |
tri·mes·terBrE /traɪˈmestə(r)/NAmE /traɪˈmestər/ noun(medical 医学) a period of three months during the time when a woman is pregnant 妊娠期（以三个月为单位）◆the first trimester of pregnancy 妊娠的头三个月(NAmE) = term (2) ◆The school year is divided into three trimesters. 一学年分三个学期。 ➡ compare semester |