arches
An arch is a structure that is curved at the top and is supported on either side by a pillar, post or wall.
When she passed under the arch leading out of the park, Mira whooped with delight.
从通向公园外的拱门下走过时,米拉高兴地喊了起来。
The arch of your foot is the curved section at the bottom in the middle.
'Good girl,' said Frank, winding the bandages around the arch of her foot.
“好姑娘,”弗兰克边说边把绷带缠在她的足弓上。
arches , arching , arched
If you arch a part of your body such as your back or if it arches, you bend it so that it forms a curve.
Don't arch your back, keep your spine straight.
别驼背,站直。