一瞬即逝

vanish in a flash;be transitory;be transient or fleeting

• swung
• sybarite
• sycamore
• sycophant
• syllable
• syllabus
• syllogism
• sylph
• sylvan
• symbiosis
• symbol
• symmetry
• sympathetic
• sympathize
• sympathy
• symphony
• symposium
• symptom
• synagogue
• synchroflash
• synchromesh
• synchronize
• synchrotron
• syncopate
• syncope