At the time of dealing with the fourth problem, we try calculus of variation of spending, move route transform into a line issue of the victory, Utilize Euler formula , ask and publish time running orbit after a little while most , confirm right route most, It's a pity that we can't get a satisfactory answer in a short time.

得到如下結(jié)果：在水流速度不變的情況下加勒比黑人，年第一名的游速為800avzaixian热久久，與方向與X軸成国产欧美综合在线一区二区91，如競渡者以行進中国小帅全裸在线观看，則與X軸成，用時分秒拍拍欧美性爱，競渡者若與對岸垂直游不可能達到終點在线视频cao；在不同區(qū)段內(nèi)水流速度不變的情況下，競渡者以折線前進欧美性影院，用時約為一级片在线观看电影；在同一區(qū)段內(nèi)水流速度變化情況下，競渡者以曲線前進三级三级三级A级全黄公司的，用時約為人妻无码天天拍夜夜爽。

And after a little while, those standing by again said to Peter, Surely you are one of them, for you are a Galilean as well.

過了不久，旁邊站著的人又對彼得說欧美日韩精品，你確是屬他們的免免费看成人片永久视频，因為你也是加利利人。

Oh, and she got into it so hot, was so uninhibited; I laid her on her side, spooned into her back, entered her so, and that just lit her up; and after a little while of that she rolled onto her belly and put her arse a little up in the air; and so I went down on her thus.

oh色哟哟一区二区三区视频，并且她進入它国产在线国偷精品产拍，很熱，是很不受禁令約束的97碰碰色；我在她的邊放置了她黄网站啊啊啊在线免费，我從后邊進入了她，并且那容光煥發(fā)她在线黄网视频；并且以后那她在天空中一會兒滾動了她的腹部并且一會兒投入了她的臀部找小姐放黄片手机播放播放；并且我因而在她如此做下來免费線上看国产黄色网站。

after a while：過了一會,不久

after a little 過了一會兒 | after a while 過了一會,不久 | after all 畢竟,終究;雖然這樣

After a little while, there wasn't a crap game going：過了一會兒, 沒有人玩骰子了

Everybody puts an eye on him.|每個人都... | After a little while, there wasn't a crap game going...|過了一會兒, 沒有人玩骰子了... | 'cause all the high rollers are over there watching him.|因為所有有錢人...