trace back to

trace back to把(某事物)追溯到：Such traditional customs can be traced back to our remote ancestors.这种古老的风俗可以追溯到我们的远祖。

• let the matter rest
• acoustic regeneration
• connivingly
• trample sb / sth underfoot
• in a fashion
• Air Pollutions
• action portion
• analogises
• balancing selection
• carbamic acid
• critical equation
• conflagrated
• californium
• circumgalactic
• a hangar pilot
• braggiest
• ram something home
• autonomic
• apathetically
• baker's
• not come up to sb’s expectation
• Ayrshires
• costal cartilage
• cleadings
• cool-headedly
• the establishment
• cross ripple mark
• catcher
• BIPOLAR DISORDERS
• the Scouts
• cardiac plexuss
• be at one's prayers
• cashmeres
• bench plane
• spoon on
• have no choice but (to do sth)
• banister
• avosets
• coronary sulcus
• come to bits
• Casals, Pablo
• ceramiales
• award to
• shut sth in the door / drawer etc
• acceleratings
• tone sth↔down
• cinquains
• clinged
• chiclet
• as / from an early age
• Battenberg
• calces
• suppose / supposing (that)
• compromisers
• caroche
• carnivorously
• let sb/sth drop
• bulk carrier
• Acta Sanctorum
• bargain with sb for
• in sb’s province
• coal-faces
• have kittens
• have a soft place in one’s heart for
• common as the highway
• calories
• round sth ↔ down
• Air surveillance.
• pop someone's cherry
• a fly in the ointment
• automatic train control
• in the secret recesses of one’s heart
• agits
• want out
• give sb the (old) heave-ho
• in a clap
• complete bipartite graph
• back calculation
• of an evening（或morning etc.）
• bobby sox
• be in a dilemma
• appleton layers
• dangerous ground / territory
• savour of sth
• acarologists
• amylums
• a long price
• baseboards
• boring clams
• bug-juice
• ap.
• Buddhahood
• clean floating
• common years
• corridas
• and then some
• be accurate in
• go over sb's head
• with a view to (doing) sth
• the intelligentsia