to form a pair; to pair up
① 素粒子と反粒子が衝突して消滅し、光子または他の素粒子に転化する現象。
to act as an opposite; to form a counterpart; to act as a twin
to act as an opposite; to form a counterpart; to act as a twin
kanji compound formed of opposing elements; antonym; conversation (face-to-face)
electron pair; Cooper pair