I want a pair of wrist protectors and two pairs of kneepad.我要一副护腕和两副护膝.The user must put on the helmet, palm and elbow and kneepad.使用者比须穿带安全帽, 护掌护肘护膝....

n.护膝...

kneepad的音标：kneepad的英式发音音标为：['ni:pæd]kneepad的美式发音音标为：['niˌpæd]...