rain echo雨: rain反射波: reflected wave; return wave; ...雨反射: rain return反射波: reflected wave; return wave; back wave; echo反射反射波: reflection; reflexion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:雨反射波,即可在微信中查询翻译