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...
踏入未知地带最好的对策就是微笑。The best thing to do when entering unknown territory is smile.我发现当我们的目光相遇时，我本能地还以微笑。I found myself smiling back instinc-tively when our eyes met.女服务员看着他，脸上带着一丝局促不安的微笑。The maid looked at him, a nervous smi...
The recession caused sales to drop off.经济不景气使销量下降。So we wake one another up if we ever do manage to drop off.所以既使好容易能睡着一会儿,也总会被别人吵醒.How much is the drop - off charge?在别处交还车子的时候要付多少钱?...