irrotational的翻译，读音
英/.irәu'teiʃәnәl/
释义：
a. 无旋的
a. Not rotatory; passing from one point to another by a
movement other than rotation; -- said of the movement of parts of a
liquid or yielding mass.
a. Not rotatory; passing from one point to another by a
movement other than rotation; -- said of the movement of parts of a
liquid or yielding mass.