螺絲 Save Sign in to save words Simplified: 螺丝 On the HSK 7-9 vocabulary list, at CEFR level C2. luósī ㄌㄨㄛˊ ㄙ screw Character by character 螺(luó)spiral shell 絲(sī)silk A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT