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。
• 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。
• Install the screw attaching the front of the end cap to the underside of the quarter panel.
  安装连接末端端盖前侧到部分板底侧的螺丝。
• Unscrew the oxygen sensor on the underside of the vehicle.
  旋开车辆底面上的氧传感器。
• 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。
• 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。
• 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。
• 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。