英和和英

a mooring buoy

a buoy

a gentle slope

vertical takeoff

vertical takeoff

a jury-mast

a back current

adverse currents

The ships fell aboard of each other

The ships fought at close quarters.

a flat trajectory

a captive balloon

a horizontal dislocation

a perpendicular line

a vertical line

a string for tying

an apparatus used for drawing corks out of bottles

direct current

square rig

curvilinear tracery

the line of flow

string together

to tie a string

sentinel loop

processional cross

contour ploughing

a piece of string

a piece of string

a piece of string

to untie the strings