蛙泳

The groin muscles are "adductor" muscles, which means they move the leg toward the centerline of the body.

是蛙泳运动中的主要与肌肉，年龄越大的人越容易拉伤这部分肌肉。

Just like we do in freestyle and backstroke and breaststroke, you want your arms in front where there is an armful of water versus back in back here where it is just a handful of water.

就像你游自由泳、仰泳和蛙泳一样，你要使手臂尽量位于身体的前面，以便推到一大抱水，而不是手臂靠后，只能推到一手掌水。

I am good at the breast stroke.

我最擅长的就是蛙泳。

I'm good at freestyle and breast stroke.

我擅长自由泳和蛙泳。的

I am good at freestyle and breast stroke.

我擅长自由泳和蛙泳。

My son can do breast stroke now.

我儿子现在会蛙泳了。

I'm good at free and breast stroke.

我擅长自由泳和蛙泳。

Originating the water ascends to drag along to take, porterage etc. activity, its development process has something to do with 蛙泳 with free 泳.Appear in 1794 the relevant human body lie on the back the surface, two arms row the water backward in the side, two legs do the 蹬 of the 蛙泳 clips the operative writing jots down, so have the " versa 蛙泳" or" breast-stroke swimming backstroke" at the beginning it call.The 1902 lead the free the technique of 泳 into the backstroke,1912 the United States athlete 赫 cloth 纳 H.

起源于水上拖带、搬运等活动，其发展过程与蛙泳和自由泳有关。1794年出现有关人体仰卧水面，两臂在体侧向后划水，两腿做蛙泳的蹬夹动作的文字记载，故最初有"反蛙泳"或"蛙式仰泳"之称。1902年将自由泳技术引入仰泳，1912年美国运动员赫布纳

Originating the water ascends to drag along to take, porterage etc. activity, its development process has something to do with 蛙泳 with free 泳.Appear in 1794 the relevant human body lie on the back the surface, two arms row the water backward in the side, two legs do the 蹬 of the 蛙泳 clips the operative writing jots down, so have the " versa 蛙泳" or" breast-stroke swimming backstroke" at the beginning it call.The 1902 lead the free the technique of 泳 into the backstroke,1912 the United States athlete 赫 cloth 纳 H.

起源于水上拖带、搬运等活动，其发展过程与蛙泳和自由泳有关。1794年出现有关人体仰卧水面，两臂在体侧向后划水，两腿做蛙泳的蹬夹动作的文字记载，故最初有&反蛙泳&或&蛙式仰泳&之称。1902年将自由泳技术引入仰泳，1912年美国运动员赫布纳

The legendary breaststroke coach, Joseph Nagy, said in a recent article that what slows down breaststrokers the most is their KICK.

传奇蛙泳教练Josehp Nagy在最近的一篇文章里指出影响蛙泳速度的最主要的原因是踢腿。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。