[網(wǎng)絡(luò)] underprout underspun: [網(wǎng)絡(luò)] 下劃線 underspring: [網(wǎng)絡(luò)] 下巴 undersquare: 下耳戳 underspread: [網(wǎng)絡(luò)] 低度擴散 underst: [網(wǎng)絡(luò)] 明白；弄清楚 下載手機詞典可隨時隨地查詞查翻譯
