so so造句

1、So so far we've had duration and accent.
目前我们知道了时值和重音这两个途径

2、Friction prevents it from doing so so there's going to be a frictional force in this direction.
摩擦力则阻碍下滑，因此存在，此方向的摩擦力。

3、This is so so so true for me.
对我个人而言，这实在是再正确不过了。