a. 最靠近的（close的最高级）

a at or within a short distance in space or time or having elements near each other

a close in relevance or relationship

a not far distant in time or space or degree or circumstances

s rigorously attentive; strict and thorough

s marked by fidelity to an original

s (of a contest or contestants) evenly matched

s crowded

s lacking fresh air

s of textiles

s strictly confined or guarded

s confined to specific persons

s fitting closely but comfortably

s used of hair or haircuts

s giving or spending with reluctance

s inclined to secrecy or reticence about divulging information

r (superlative of `near' or `close') within the shortest distance