navigable可: approve通: open up or clear out by poki ...船: boat; ship; vessels的: 4次方是 The fourth power of 2 i ...可通小船的: boatable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:可通船的，即可在微信中查询翻译
