catching：传染性的；有感染力的，吸引人的

词根词缀：catch(-cap-)拿,取 + -ing

• metre
• metric
• metrical
• metrication
• metro
• metrologist
• metrology
• metronome
• metronymic
• metropolis
• metropolitan
• beluga
• bemoan
• bemused
• bench
• benchmark
• bend
• beneath
• benedictine
• benediction
• benefaction
• benefactor
• beneficial
• beneficiary
• benefit