arch
🇬🇧/ɑːtʃ/ 🇺🇸/ɑːrtʃ/📚 15790 79 2六级考研托福雅思高考An arch is a structure that is curved at the top and is supported on either side by a pillar, post, or wall. 拱形结构
noun [专属名词]拱门；拱顶；足弓；拱形物
An arch is a curved line or movement. 弧线; 弧线运动
verb [vt. 及物动词]（使）成弓形，拱起
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. 弓着
adjective [原级]淘气的，调皮的；傲慢自大的；主要的
knowing or superior 知识渊博的; 优越的
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