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- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
- It would be unwise to change tack now. 现在改变方针是不明智的。
- The radar scanned the sky for enemy planes. 雷达密切监视天空，搜索敌机。
- Tack the folds down before you sew them firmly into place. 先用大针脚将褶子松松地缀住，然后再将其缝纫到位。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- Enemy ships were detected on the radar screen. 敌舰的影像已显现在雷达(屏幕)上。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- I hammered a tack into the wall and hung a small picture from it. 我在墙上钉了一个图钉，然后在上面挂了一张小图片。
- A gunboat was detected by the radar. 雷达探测出一炮艇。
- Enemy aircraft were detected by our radar. 敌机被我方雷达发现。
- The speaker suddenly changed tack and left us all rather confused. 演讲人突然改变了论调，把我们都搞糊涂了。
- The ship was provided with radar equipment. 那船装有雷达设备。
- There are enemy aircraft on the radar screen. 雷达萤屏上出现了敌人的飞机。
- Our radar pinpointed the attacking planes. 我们的雷达确定了来袭敌机的精确方位。
- By tacking about, we were able to avoid the enemy guns. 我们摆动着船帆不停地调转船头，才得以躲过敌人的炮弹。
- Radar is used to detect objects in the air or at sea. 雷达被用来探测空中或海上的目标。
- His brother is sharp as a tack; he got100 on every test. 他弟弟十分聪明伶俐，每次考试都得100分。
- A reflected wave received by a radio or radar. 反射波收音机或雷达接收到的反射波
- She thinks I'm going out with Jeremy but she's completely on the wrong tack. 她认为我准备同杰里米外出，但是她的想法完全错了。
- Joe hammered a tack into the wall to hang a picture. 乔用锤子把一只大头钉敲进墙中用来挂一幅画。
