alarm hootersiren报警: give an alarm笛: bamboo flute警笛: 1.(警哨) police whistle; alarm whistle2.(警报汽笛) siren电警笛: klaxon; claxon火警笛: fire siren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:报警笛,即可在微信中查询翻译