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Adult male dolphins, which generally travel in pairs, often swim slowly side by side as they sleep. 一般成对旅行的成体雄性海豚在睡觉的时候经常并排缓慢地游动。
The whales then depart, flippers touching, and swim slowly side by side, diving and surfacing in perfect unison until they disappear from sight. 后来两条鲸又分开了，但是仍鳍挨着鳍，肩并肩慢慢地游着，动作完美而和谐，忽而潜入水中，忽而游出水面，直至它们从视野中渐渐消失。
Does Jim swim slower than David? 吉姆游得比大卫慢吗?
Adult male dolphins,which generally travel in pairs,often swim slowly side by side as they sleep. 一般成对旅行的成体雄性海豚在睡觉的时候经常并排缓慢地游动。
A cloud swam slowly across the moon. 浮云慢慢地掠过月亮。
The whales then depart,flippers touching,and swim slowly side by side,diving and surfacing in perfect unison until they disappear from sight. 后来两条鲸又分开了，但是仍鳍挨着鳍，肩并肩慢慢地游着，动作完美而和谐，忽而潜入水中，忽而游出水面，直至它们从视野中渐渐消失。
Some clouds swam slowly across the top of the mountain. 几朵浮云慢慢从山顶滑过。
A crocodile was swimming slowly near the bank with her baby. 一条鳄鱼和她的孩子在岸边游泳。
No, he doesn't. David swims slower than Jim. 不,大卫游得比吉姆慢。
On the next turn, he nearly had him. But again the fish righted himself and swam slowly away. 在兜下一圈时，他差一点把它拉了过来。可是这鱼又竖直了身子，慢慢地游走了。
Practice swimming slowly with balanced breath, then graudally add speed to see if you can hang on to the concept while swimming FAST. 练习平稳呼吸、慢速游进,之后逐渐加快速度并体会是否可以在快速游进时可以保持这种姿势。
Usually just their big nostrils appeared for a gulp of air as they foraged on sea grasses or swam slowly to greener underwater pastures. 一般，它们一边用大鼻孔大口吸气，一边觅食海草，或者慢慢地游向海底更嫩绿的草场。
He swam slowly out, lifting every now and then his arms out of the water so that the drops trickled down and sparkled in the moonlight. 忽然他进入了深水处，水在他头顶上打转，过了一会儿，他才又浮到水面上。
By perseverance the lame boy learned to swim. 靠毅力这跛童学会了游泳。
He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
He can swim breaststroke, backstroke and crawl. 他会游蛙泳、仰泳和自由泳。
The tuck slowly ploughed through the mud. 车在泥泞中吃力地缓慢行驶。
She had to swim against the current. 她必须逆著水流往上游。
She's teaching the children to swim. 她正在教孩子们游泳。
These little boys swim naked in the river. 这些小孩光着身子在河里游泳。