teststhout
—phrasal verbwithtestverb[T]uk/test/us/test/
totestsomething,especiallyatheoryor anidea, tofindout how itworksin apracticalsituationor howpeoplereactto it
检验，试验（尤指理论或想法）
Thestudentstestedouttheircost-cuttingideasin severalcompanies.学生们在几家公司试验了他们降低成本的构想。