[ 复数 uppers ]
The renal calices , renal pelvis of both kidneys and upper ureter could be displayed well by VR and MIP in 11 cases .
11例VR及MIP同时较好地显示双侧肾小盏、肾盂及输尿管上段。
参考来源 - 16层螺旋CT血管造影及三维重建技术在活体供肾动脉解剖学评估中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： upper berth
同义词： amphetamine pep pill speed
"the upper bunk"; "in the upper center of the picture"; "the upper stories"
"the upper half of the class"
以上来源于: WordNet
ADJ You use upper to describe something that is above something else. 上面的 [ADJ n, 'the' ADJ]
There is a good restaurant on the upper floor.
楼上有一家很好的餐馆。
ADJ You use upper to describe the higher part of something. 较高的 (部位) [ADJ n]
...the upper part of the foot.
…脚面。
...the muscles of the upper back and chest.
…上背部和胸部的肌肉。
PHRASE If you have the upper hand in a situation, you have an advantage over the other people involved, for example because you have more power or success. 优势
The home team was beginning to gain the upper hand.
主队正开始占上风。
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