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- The most likely cause of the false-negative result is the weak echogenicity of a fresh thrombus, precluding its visualization, according to the authors. 假阴性最可能的原因是新形成血栓声纳弱，不容易被发现。
- Experimental data suggest that this ultrasound device is significantly effective in ablating fresh thrombi. 实验数据表明该设备对体外新鲜血栓消融效果明显。
- During the intermission, let's go out for some fresh air. 幕间休息时，我们出去呼吸呼吸新鲜空气吧。
- A walk in the fresh air will pep me up. 我在空气新鲜的地方散步就感到精神饱满。
- Do you have any fresh salmon in at the moment? 现在有新鲜大马哈鱼卖吗？
- Fresh air and exercise are good for the health. 新鲜空气和运动有益于健康。
- The fresh air blew in from the open window. 新鲜空气从开着的窗户吹进来。
- I always imbibe fresh air in the woods. 我经常在树林里呼吸新鲜空气。
- A fresh coat of paint can transform a room. 房间重新粉刷一遍可大为改观。
- He do not throw much fresh light on the subject. 关于这个问题他没有提供很多新的见解。
- In most markets you can buy fresh fruit in bulk. 在大多数市场上可买到散装新鲜水果。
- The fresh air in the morning made him feel glad. 早晨的新鲜空气使他觉得愉快。
- Some fresh flowers should smarten up the room. 几枝鲜花会使房间漂亮起来。
- The bakery serves us with fresh bread daily. 面包店每天都给我们提供新鲜面包。
- Keep me informed of fresh developments. 随时告诉我新的发展。
- Fresh and dried fruits are easily available now. 现在，干鲜果品很容易买到。
- I could smell that the milk was not fresh. 我闻得出牛奶不新鲜。
- There are some fresh juicy oranges. 那边有些新鲜多汁的橙子。
- The white arrow marks a renal vein thrombus. 白色的箭头指示肾静脉血栓。
