subtend 

  1. 動詞
及物動詞:
(弦、邊)對...(弧、角)|對向...(弧、角)
把...(植物)包在葉腋內
包含...(事物)
/此動詞過去式與過去分詞為"subtended"/
/現在分詞為"subtending"/
/第三者單數現在式為"subtends"/

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                Arc lengths are denoted by "s", since arcs " subtend " an angle.                            
    2. 
                                                    
  2. 
                                They subtend 0.1–0.3° along the ring, which correspond to 1000–3000 km.                            
    3. 
                                                    
  3. 
                                Other plants have the bracts subtend the pedicel or peduncle of single flowers.                            
    4. 
                                                    
  4. 
                                In the ideal eye, the image of a diffraction grating can subtend 0.5 micrometre on the retina.                            
    5. 
                                                    
  5. 
                                From a point outside the ellipse two tangents can be drawn, and they subtend equal angles at a focus.                            
    6.