impenetrableimpermeableimperviousopaque不: a block of wood透: penetrate; pass through的: 4次方是 The fourth power of 2 i ...不透的;密闭的: impermeable穿不透的: impenetrable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:不透的,即可在微信中查询翻译