【化】 guarantee test
guarantee; assure; certify; warrant; ensure; pledge; secure; assurance
guaranty; surety; warranty
【经】 assurance; endorsement; guarantee; guaranty; recognizance; scure
secure; security; surely
experiment; test; try; try on; try out; examination; experimentation; trial
trial run
【计】 breadboarding
【医】 probation; test; tria
【经】 test; trial
