They experimented with a new material.他们用新材料来做试验.They experimented with new reagents and succeeded.他们用新试剂做了试验,获得了成功.He experimented in painting at home.他在家中试着作画.The scientists have experimented on the tiny neck arteries ...
We experimented with diesel engines to drive the pumps.我们试着用柴油机来带动水泵.He experimented in painting at home.他在家中试着作画.They experimented with a new material.他们用新材料来做试验....