游泳

If you have special places to swim, for example, is亲子园or hospital that is the best, if at home, first of all you have to buy a swimming pool what a life buoy, and then need a lot a lot of water, but also to maintain room temperature of 28 degrees, very difficult ah.

如果有专门游泳的地方，比如是亲子园或者是医院那是最好了，如果在家里面，首先你要买游泳池还有救生圈什么的，然后需要很多很多的水，还要保持室温28度，很困难啊。

Last weekend we went to the gold beach, we arrived there at about 7:00pm.we put on our swimwear and played in the water with a life buoy but I didn't feel very happy because my father didn't allow me to play in a deep water .he always stopped me when I wanted to swim in the water .at the dinner time we ate a lot of vegetable.

上周末我们去金海滩，我们大约那里到达了在7：00pm.we 被投入在我们的游泳衣和被演奏在水中以救生圈但I didn't 感觉非常愉快因为我的父亲didn't 允许我演奏在一深水he 总停止了我当我想游泳在水at 我们吃很多菜的晚餐时间。

If you swim by yourself, with no life guards or friends with you, you may get into trouble.

如果你一个人游泳，没有救生员或朋友在场，你会遇到麻烦的。

Clearwater Beach with its circular semi deserted bay is an attractive place to swim in overlooked by muscular life guards in red trunks.

在强壮的救生员的监护下，清澈海水沙滩和半沙化的港湾是游泳的好地方。

You should not go rafting unless you know how to swim, and you should always wear a life jacket.

如果你不知道怎样游泳，不穿救生衣你就不应该去划木筏。

You should not go rafting unless you know how to swim,and you should always Wear a life jacket.

你不该去漂流，除非你知道如何游泳，而且你总是穿好救生衣。

You should not go rafting unless you know how to swim ,and you should always wear a life jacket.

你不应该筏游除非你知道如何游泳而且总要穿着救生衣。

While many dogs are natural swimmers, you may still want to bring along a coast-guard approved pet life preserver to keep your dog's head above water without restricting his movement or breathing.

虽然许多狗是天然游泳，你可能还是要带去了一个海岸警卫队核准的宠物生活preserver保持你的宠物狗的头以上之水，无本限制他的运动或呼吸。

A snugly-fitting vest-type life preserver offers back and shoulder protection as well as the flotation needed to swim safely in whitewater.

漂流在白水中需要游泳时，一件合适的救生衣可以给你的背部及肩部提供很好的防护，保证你的安全。

I don't need a life vest. I am a good swimmer.

我会游泳，不需要救生衣。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。