亚洲AV成人精品一区二区三区四区|快播日韩美嘛豆一区|国产欧美激情a级免费|一级黄片AAA色一品|久久国产成人精品Av|谁有AV免费观看|成人高清国产视频|日韩区欧美区久久综合一区|在线观看黄色网页|亚洲欧美国产11

單詞乎

on a bicycle

on a bicycle是什么意思、on a bicycle怎么讀

on a bicycle漢語翻譯

騎自行車

on a bicycle例句

  1. A device for shifting gears on a bicycle by moving the chain between sprocket wheels of different sizes.
    脫軌器,轉(zhuǎn)撤器通過在不同大小的扣鏈齒輪間移動鏈條而轉(zhuǎn)換自行車齒輪(換檔)的裝置
  2. This hill is too steep to ride up on a bicycle.
    這山太陡了,騎自行車可上不去。
0
糾錯