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
英文释义
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