a. 最快速的（far 的最高级）

a acting or moving or capable of acting or moving quickly

a (used of timepieces) indicating a time ahead of or later than the correct time

a at a rapid tempo

s (of surfaces) conducive to rapid speeds

s resistant to destruction or fading

s unrestrained by convention or morality

s hurried and brief

s securely fixed in place

s unwavering in devotion to friend or vow or cause

s (of a photographic lens or emulsion) causing a shortening of exposure time

r most quickly