基本解釋adj.不透光的(防光的)同根派生 lighttight相關(guān)詞英漢例句Available in READY-PACK Packaging--lighttight envelopes containing film that can be used with or without a metal screen cassette. 隨取隨用包裝袋是一種不透光的包裝封袋,其中包含的膠片可以配合使用或者無(wú)需金屬屏暗盒。lighttight更多例句