追試 ついし
tsuishi

Noun
Suru Verb

1. replication (of an experiment); verification (of experimental results); reproduction; corroboration

Transitive
Noun

2. supplementary examination; makeup exam

Abbreviation
Related to 追試験
追試 ついし けなくてはいけません。
tsuishio ukenakutewa ikemasen.
I have to take the test again.