unsealed未: did not; have not的: 4次方是 The fourth power of 2 i ...经紧密加封的棺木: hermetically sealed coffin加封: enseal; sealing封的: sealed-off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:未加封的,即可在微信中查询翻译