artefact的复数形式怎么写

n.人工制品，人工产物，人为现象，[医]伪假象，[生物学]矫作物...

It's an ancient artefact, probably made by the other alien race.这是很古老的艺术品, 可能是外星人制造的.Had we taken the artefact, there would have been no need to return.如果我们真的偷了试金石, 我们根本没必要再回来.Tommy DeVito : what do you mean, you ar...

artefact的音标：artefact的英式发音音标为：['ɑ:tɪfækt]artefact的美式发音音标为：['ɑrtəˌfækt]...