http://www.youtube.com/watch?v=mfx7HCDqCmc 0;33 for people who have a little bit of a problem downstairs, you stick that alone, it will trap the odor. 下に問題のある人はこいつをはくだけでおならを封じ込めれる。
http://www.youtube.com/watch?v=sNRofOf92x8 2:45 keeping a mobile phone in your pocket could be one of the reasons why it's going wrong downstairs? 下半身の異常(精子の数が減少)は携帯を肌身離さず身につけていることが原因ですか?
http://www.youtube.com/watch?v=u0Lv97_ero0 0:34 should I shave my hair down there?
練習問題解答
a-315 downstairs
a-579 downstairs
a-2833 downstairs