tetragonal
tetragonal[tɪˈtrag(ə)n(ə)l]adjective- of or denoting a crystal system or three-dimensional geometrical arrangement having three axes at right angles, two of them equal
四角形的,四方(晶)的
派生tetragonallyadverb语源- late 16th cent.: via late Latin from Greek tetragōnon (neuter of tetragōnos 'four-angled') + -al
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