O : If you write the postcode, it will be helpful.如果你写上邮编, 它会是有帮助的.During the war his pacifist leanings were not helpful.战时他的和平主义思想派不上用场。It was advice of a kind, but it wasn't very helpful.这是一种建议, 但并不非常有用.The staff ...
Having the right equipment at hand will be enormously helpful.手头上有合适的设备将会帮上大忙。An A to Z of careers gives helpful information about courses.按字母顺序排列的职业大全提供了有助于课程选择的信息。During the war his pacifist leanings were not helpful.战...
碟形卫星天线的定向性非常强。Dish aerials are highly directional.雷最近编制了定向性量表, 它可以较好地预言支配行为.More recently Ray developed the Directiveness Scale, which is well able to predict dominant behaviour.采用了超声的方法来切短露头于AAO范本的纳米碳管,增加纳米碳管膜的定向性.Sonic...