热热热久久久免费视频|第四色五月婷婷五月天AV|日韩高清无码免费一级大片|日本成人手机在线视频|中文字幕无码Av在线|台湾a级别黄片免费看|欧美一级性爱亚洲第一性爱|A级黄色电影久草大|www.91精品视频|亚洲AV资源欧洲无码在线观

單詞乎

step stool

音標(biāo)[step stu:l]
step stool是什么意思、step stool怎么讀

step stool漢語(yǔ)翻譯

梯凳或踏凳,

step stool英語(yǔ)解釋

n.a stool that has one or two steps that fold under the seat

step stool例句

    Step stool
    Step stool
    Step stool
    Three-step stool examination for cryptosporidiosis in 10 homosexual men with protracted watery diarrhea
    STEP-STOOL ASSEMBLIES WITH CONTINUOUS OUTER SHELLS AND RELATED METHODS
    The impact of a step stool on cardiopulmonary resuscitation: A cross-over mannequin study
    Use of step stool during resuscitation improved the quality of chest compression in simulated resuscitation
    The effect of inclined step stool on the quality of chest compression during in-hospital cardiopulmonary resuscitation.
    Step stool attachment
    Two-step stool aerobic training for smokers.
    The effect of step stool use and provider height on CPR quality during pediatric cardiac arrest: A simulation-based multicentre study.
    Step stool with movable handrail
    Slip-resistant step stool and a method of manufacturing the same

0
糾錯(cuò)