The captain radioed that the ship was on fire.船长发无线电说船着火了。The officer radioed for advice.军官发来无线电报请求指示。He radioed that he could't allow her to stay here.他用无线电发出信号,说他不能允许她留在此地....
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....
Such measures would be highly impracticable and almost impossible to apply.这样的措施非常不切实际，几乎不可能付诸实施。It would be impracticable for each member to be consulted on every occasion.不可能每一次都征求每个成员的意见。The damage it would cause make...