interchangeable head可: approve互换: interchange; counterchange; ...头: 5点就得动身 have to start before ...可互换: interchangeable不可互换的: non-interchangeable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:可互换头,即可在微信中查询翻译