repeat a year的用法和样例：
例句
- He had to repeat the fourth grade.
他读四年级时留级一年。 - You'll be kept down next year if you fail the final exam.
如果你期末考试不及格明年就留级。
repeat a year的相关资料：
临近单词
repeatable
repeat
Repeated Retrievable Satellite
repeated loading triaxial test
repeated respiratory infection
repeat sun-synchronous orbit
Repeated low-dose pilocarpine
Repeating respiratory infection
repeated fuzzy cooperative game
repeated administrative penalty
Repeat with a second Citizen.
repeated transverse impact test
