小而窄的收、蹬腿比大而宽的收、蹬腿要更有效率！

You want to HIDE the legs behind your torso. Small and narrow is more productive than big and wide.

youdao

小而窄的收、蹬腿比大而宽的收、蹬腿要更有效率！

You want to HIDE the legs behind your torso. Small and narrow is more productive than big and wide.

youdao