sedate

adj. 沉着的,镇静的,安静的

secretiveness, secretly, sect, sectarian, sectarianism, section, sectional, sectionalism, sector, secular, secularism, secularist, secularize, secularise, secure, securely, securities, security, security guard, security risk, sedan, sedately, sedateness, sedation, sedative, sedentary, sedge, sedgy, sediment, sediment-covered, sedimentary, sedimentation, sedition, seditious, seditiously, seduce, seducer, seduction, seductive, seductively, seductiveness,