tryout
n. 测验；试用；试验；预赛
近义词：trial，performance，workout，test，audition，evaluation，assessment，rehearsal，run-through，practice，trialrun，
英英释义
Noun
- trying something to find out about it;
"a sample for ten days free trial" "a trial of progesterone failed to relieve the pain"
- a test of the suitability of a performer
例句
用作名词(n.)
- The new users to OTP are permitted to have a tryout free of charge.网译平台新用户可以预先免费试用。