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。
• As you exhale, have your partner pull on your arm and push into your hip crease, stretching the underside of your torso.
  呼气的时候，你的同伴拉你的手臂向上，推髋的折处向中间，伸展你上身的下侧。
• 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。
• 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。
• Butterfly with silver spots on the underside of the hind wings.
  后翅下边有银色斑点的蝴蝶。
• 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。
• 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。
• Chain tensioner sitting on underside of the crankcase.
  位于曲轴箱底面的链条张紧器。
• 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。
• These are locked into place by wooden battens, which are fitted to the underside of the boards.
  这些都是锁定到位的木板条，这是安装在底部的电路板。