n.1.〔英俚〕鲁莽[粗俗]的人。2.【棒球】定界员。in-bounder: 发界外球的homeward-bounder: 返航船; 回港船irregular bounder: 不规则弹跳的地滚球outward bounder: 外航船boundery film: 界限膜, 边界膜下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:bounder,即可在微信中查询翻译