n. 快车, 快递, 专使
a. 明确的, 丝毫不差的, 专门的, 快的
vt. 表达, 表示, 表露
英文释义
n. mail that is distributed by a rapid and efficient system
n. public transport consisting of a fast train or bus that makes only a few scheduled stops
n. rapid transport of goods
v. give expression to