相关单词近义词 proof 证明, examination 考查, analysis 分析, assay 化验, assessment 评价, experimentation 实验, research 研究, investigation 调查, challenging 挑战性的, difficult 困难的, taxing 费力的, tough 强硬的, trying 难受的, hard 硬的临近词testa, test, test stand, test shaft, test probe, testanment, test class, test brush, Testarmata, test reuse, test curve, test serum相似词testify, testimonial, testimonial match, testimony, testis, testosterone, testy, tetanus, 返回 testing