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。
• 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。
• A taper has two sides, the underside is a circle, the flank is a camber.
  结论：圆锥有两个面，底面是一个圆形，侧面是一个曲面。
• He turned the rifle over and examined the underside.
  他把步枪翻过来；检查其背面。
• 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。
• My car is badly rusted on the underside.
  我的车底部锈迹斑斑。
• 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。
• Starting from the underside of the branch, saw upwards until you have cut halfway through the branch.
  从树枝的下侧开始向上锯，直到切到一半的位置。
• 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。
• 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。