柯林斯词典underside /ˈʌndəˌsaɪd/ (undersides) 1. N-COUNT The underside of something is the part of it which normally faces towards the ground. 下麪; 底部 ...the underside of the car. …汽車的底部。 返回 underside剑桥词典the side of something that is usually closest to the ground 下麪；底部 The car had turned over in the ditch , and its underside was covered in oil and mud . 車繙倒在溝裡了，車底上滿是油汙和泥巴。 返回 underside