n. piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot
s. the topmost one of two
s. higher in place or position
s. superior in rank or accomplishment
a. 上面的, 较高的, 上级的, 上院的, 穿在外面的, 北部的, 地表的, 后期的
n. 鞋帮, 上齿