[sù]
[形]
(迅速; 快) fast; rapid; quick; speedy
fast [speed] reading
速读
produce quick results; have a speedy effect
收效甚速
Please reply as soon as possible.
请速回信。
Go and return quickly.
速去速回。
[名]
(速度) speed; velocity
wind speed [velocity]
风速
velocity of light [sound]
光[音]速
(姓氏) a surname
Su Xijue
速希觉
[动]
[书] (邀请) invite
uninvited guest; gatecrasher
不速之客