happen on/upon

happen on/uponmeet with; come unexpectedly on （偶然）遇见 * I happened on this old photograph in the back of the drawer. 在抽屉后面我偶尔发现了这张旧照片。 * At the conference I happened upon an old friend I had not seen for years. 在大会期间我偶然遇到了一位多年不见的朋友。

• Darlan, Jean Louis Xavier Framcois
• self-contradictory
• two-body problems
• bioactivity
• dihydrochlorides
• shopmen
• leukocytic crystals
• be fit for
• chorded
• Volscian
• euhemerized
• hay knife
• sheephook
• disobedience
• memory verse
• fork truck
• endogamy
• in spades
• adaptive control system
• procurator fiscal
• sandbagger
• hand in one's dinner pail
• brussels sprouts
• link chute adapter
• platinum blacks
• technologizing
• Johnson treatment
• mycobactin
• storage allocations
• ideotype
• rough it
• mite
• cloacal
• hepatobiliaries
• rescueless
• machine-mediated learning
• be a stickler for detail / rules / accuracy etc
• tarlatan
• begunk
• isozymic
• business cycle theory
• knock out the wedges
• pelvic index
• portable data terminal
• office hunter
• Scunthorpe
• above one's station
• bennis
• unpeopled
• annus horribilis
• Landtag
• tabrizs
• resistance drop
• oboists
• activation entropy
• capillary interstice
• albumenizing
• Crossosomataceae
• raise one's back
• off Broadway
• crown corporations
• embryulcus
• dromos
• non-fraternization
• drive into the background
• contendest
• epilog
• passo Fundo
• PRN
• in the same boat
• crop milk
• Knoop indenter
• impacted
• liverwursts
• lean on a reed
• hypertropias
• warm body
• trans-synaptic
• ruttiness
• epizoon
• tubbing
• dortour
• involucelated
• Moly.
• SCE
• be great on
• corn chips
• plowers
• sheenies
• golden wattle
• ignoblenesses
• clogs
• black durain
• Minas Gerais
• keep a sharp lookout
• Behring, Vitus
• antifoggant
• fall into contempt
• photoplayer
• acquitter