You can let the teacher break the instep and step on the instep every day, so it will go down in ten and a half months. /kloc-students over 0/5 years old (because the instep bone has grown well at 15 years old, so you can't press it too hard) sit on your knees, let your knees slowly lift off the ground and press your whole body on the instep. Doing homework, you can practice while watching TV, which is more bearable.

【jidǎo bèI】？

instep

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The instep is the top of the foot and consists of tarsal bones. Also known as noodles. The part of the arch between the toes and ankles.