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

• 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。
• 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。
• Down the underside runs a long tray to stow timbers used for supporting wide plant on the retractable outriggers.
  我的翻译：沿车身底面的是长的托盘，以承载支架，而支架则用于将宽设备支撑在可伸缩支腿上。
• Unscrew the oxygen sensor on the underside of the vehicle.
  旋开车辆底面上的氧传感器。
• 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。
• 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。
• 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。
• 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。
• 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。