backspace

v [I] move the carriage of a typewriter backwards one or more spaces by pressing the special key for this 按退格键（使打字机滚筒退格）.

backfire, backgammon, background, backhand, backhanded, backhander, backing, backlash, backless, backlist, backlog, backpack, backpacker, backpacking, backrest, backscratcher, backset, backside, backslide, backsliding, backstage, backstroke, backtrack, backup, backward, backward(s), backwardness, backwards, backwards (also backward), backwash, backwater, backwoods, backwoodsman, backyard, bacon, bacteria, bacterial, bactericidal, bacteriologist, bacteriology,