半浮半沉胶管float: vi. 1.漂浮,浮起 (opp. sink); 飘流, ...sink: vi. (sank , 〔古、美〕 sunk sunk, ...hose: n. (pl. hose(s), 〔古语〕hosen ) ...sink float: 重介选float and sink analysis: 沉浮分析; 浮沉试验下载手机词典可随时随地查词查翻译