Twinning

[twɪnɪŋ] or ['twɪnɪŋ]

解釋/意思:

(p. pr. & vb. n.) of Twin

(n.) The assemblage of two or more crystals, or parts of crystals, in reversed position with reference to each other in accordance with some definite law; also, rarely, in artificial twinning (accomplished for example by pressure), the process by which this reversal is brought about.

整理:特蕾西