直尺，平尺；校正装置，直棱
straight edge是什么意思
straight edge 同义词
相关词
deficit spending
dental school
deprive of
dendritic cell
deliver oneself of
degree of freedom
delaying tactic
dependent variable
deep throat
Denver boot
derogate from
deliver on
Denver sandwich
definite integral
delight in
delay tactic
delivery room
delivery boy
demark
delish
defrosted
demand-side
dental technician
defy convention
demised
deep-dish
demi-sec
demilitarized zone
deposit account
dementia pugilistica