Neverswap(orswop)horseswhilecrossingthestream.骑渡中流莫换马。(指危难时不宜做大变动)......
Sandysniffedsweetsmellingsunflowerseedswhilesittingbesideaswiftstream.桑迪坐在湍急的小溪边尽情地品味着葵花子的香味。......