lethean遗忘: forget; lethe河: river的: 4次方是 The fourth power of 2 i ...遗忘河: lethe河的: fluvial; fluviatile; riverain; riverine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:遗忘河的，即可在微信中查询翻译
