underside

英 [ˈʌndəsaɪd]

美 [ˈʌndərsaɪd]

n.  下侧; 底面; 底部; 下表面

复数：undersides　

TEM8

Collins.1 / BNC.9970 / COCA.11090

牛津词典

noun

• 下侧；底面；底部；下表面
  the side or surface of sth that is underneath

柯林斯词典

• N-COUNT 底面；下面；下侧
  Theundersideof something is the part of it which normally faces towards the ground.
  1. ...the underside of the car.
     车的底部
  2. ...the underside of the eyelid.
     眼睑内侧

英英释义

noun

• the lower side of anything
  Synonym:bottomundersurface

双语例句

• My car is badly rusted on the underside.
  我的车底部锈迹斑斑。
• The workpiece is located from two of the four holes in its base, and from the underside of the base.
  此工件采用其基座上四孔中的两孔和基座的底面定位。
• The lid lifted up and on its underside all its occupants left their mark.
  掀开桌子的顶盖，盖子底面全是各个使用者留下的记号。
• The abaxial surface of a leaf is the underside or side facing away from the stem.
  叶子的远轴表面就是背离叶梗底部或旁边的部位。
• Butterfly with silver spots on the underside of the hind wings.
  后翅下边有银色斑点的蝴蝶。
• He rolled up his shirt-sleeve and compared the white underside if the arm with his face.
  他卷起袖子把胳膊白色的内侧和脸作比较。
• Within moments they had located a hole two meters in width on the steamer's underside.
  一会儿，他知道船底有一个长两米的大洞。
• Well done! This is called point. This circle is called underside.
  师：很好，这个点叫做顶点。这个圆叫做底面。
• Flatten each leaf and fold lengthwise so that the underside of the leaf is folded inside and main leaf vein forms the top ridge of the fold.
  纵向拼合每个叶和褶皱，叶底面内折叠和主叶脉形成顶部的褶皱脊。
• He connected metallic wires to the back and the underside of an electrical fish. used of armor; having overlapping metal splates attached to a leather backing.
  他在电鱼的背面和底面联上金属线。用来指装甲；有附在皮革衬背上的搭接金属铠甲。