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

• They painted the underside of their planes with a black varnish.
  他们在飞机的底部涂上了一层黑漆。
• The annular flange closely contacts the upper surface or underside of the table.
  凸缘为环形结构，凸缘贴合在桌子上表面或者下底面。
• Butterfly with silver spots on the underside of the hind wings.
  后翅下边有银色斑点的蝴蝶。
• The underside of this inchworm measures your baby up to24 inches.
  这尺蠖的底面措施宝宝高达24英寸。
• 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。
• A roll of fat jiggled on the underside of her arm.
  她胳膊下侧有一层肥肉一颤一颤的。
• 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。
• Chain tensioner sitting on underside of the crankcase.
  位于曲轴箱底面的链条张紧器。
• A coating of a tar or rubber-based material on the underside of a motor vehicle to retard corrosion.
  机动车辆底部为防腐蚀而涂上的一层柏油或橡胶材料。
• My car is badly rusted on the underside.
  我的车底部锈迹斑斑。