We must trace the source of these noxious gases before they asphyxiate us.在我们被这些有毒气体窒息之前,必须查出其来源.There was a trace of exasperation in his voice.他的声音听上去有些愤怒。The lecture will trace the depiction of horses from earliest tim...
This decision will give renewed impetus to the economic regeneration of east London.这一决定会给东伦敦的经济复苏带来新的推动力。This decision will give renewed impetus to the economic regeneration of east London...这一决定会给东伦敦的经济复苏带来新的推动力。The tr...