semester
noun [ C ] uk/sɪˈmes.tər/ us/səˈmes.tɚ/
A2 （尤指美国和澳大利亚大学的）学期
one of the periods into which a year is divided at a college or university, especially in the US and Australia
the first/second semester 第一／第二学期
the spring/fall semester 春季／秋季学期
Compare: term noun (TIME)trimester