学与教，学为先，先了解学习原理，再传授教学技巧。
What matters more is our study on study than our teaching of teaching.
我也发现比起实践我想要传授的这些观念，只是谈一谈，教一教的话要容易得多。
I find that it’s easier to talk and teach than to practice what I preach.
我在传授任何泳姿时都会将身体分为各个部分来讲解，教蝶泳时更是这样。
When I teach any stroke, in particularly butterfly, I use the part method.
我在传授任何泳姿时都会将身体分为各个部分来讲解，教蝶泳时更是这样。
When I teach any stroke, in particularly butterfly, I use the part method.
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