This is the 4502nd most frequent Chinese word.
暑期
Summer vacation.
暑期 in this sentence refers to the summer vacation period, emphasizing its nature as a time for relaxation and leisure for students.
暑期是学生们放松休闲的好时光。
The summer vacation is a great time for students to relax and unwind.
暑期 in this sentence denotes the time frame in which an activity occurs, specifically the speaker's enjoyment of swimming at the beach during their summer vacation.
在暑期里，我喜欢去海边游泳。
During the summer vacation, I enjoy swimming at the beach.
暑期 here is used as a temporal descriptor for internships, indicating that these internships are designed to take place during the summer vacation period.