a. 特大的, 特长的, 非寻常的

[ adj ]
extra large
<adj.all>
a king-size bed

king-size \king-size\ king-sized \king-sized\adj.
1. extra large; as, a king-size bed. [WordNet sense 1]
[WordNet 1.5]

Note: A king-size bed is the largest size generally sold
commercially; it is larger than a {queen-size}, which
in turn is larger than a {full-size} (or double) bed,
and that in turn is larger than a {twin-size} (or
single) bed. The mattress for a king-size bed is
typically about 76 inches wide and 80 inches long.
[PJC]

2. Of or pertaining to a king-size bed; suitable for a
king-size bed; as, a king-size bedcover.
[PJC]