词汇	boresights
释义	boresights 'bɔ:,saitn.瞄准线；孔径；炮膛校正器
随便看	have the advantage of sb Have the advantage of sb have the advantage over have the advantage that have the appearance of have the appearance of a rustic fellow have the approval of Have the art atmosphere of the mightiness have the as a needle have the ascendance have the ascendancy have the ascendancy over have the ascendency over have the attention of have the audacity to do Have the baby had a diphtheria inoculation Have the baby had a diphtheria inoculation? Have the baby have a diphtheria inoculation Have the baby have a diphtheria inoculation? have the ball at one's feet have the ball at one's foot Have the basic management skill have the battle have the benefit of have the best