速

fast / rapid / quick / velocity

to bind / bunch / bundle / classifier for bunches, bundles, beams of light etc / to control

to walk (side part of split character)

uninvited or unexpected guest

(to do sth) with dispatch / as soon as possible

Azores Islands

low velocity zone (seismology) / also called asthenosphere 軟流層|软流层[ruan3 liu2 ceng2]

low gear / bottom gear

low speed

transmission rate / transmission speed

low-velocity zone (seismology)

uninvited (guest) / unexpected (appearance) / unwanted presence

to arrive without invitation / unexpected guest / unwanted presence

Sea of Azov in southern Russia