| 释义 |
of or relating to swimming or exploring under water, especially with an aqualung （尤指戴水中呼吸器进行的）水下游泳的; 水下探险的： sub-aqua equipment. 水下探险设备。
mass noun underwater swimming or exploration with an aqualung （戴水中呼吸器的）水下游泳; 水下探险。
词源 1950s: from SUB- 'under' + Latin aqua 'water'. |