先後 せんご せんこう before and after; earlier and later; order; sequence n occurring almost simultaneously; inversion (of order) n vs Advanced ➥
先立って さきだって prior to; before; in advance of exp the other day; some time ago; recently n-adv n-t Advanced ➥
先天性中枢性肺胞低換気症候群 せんてんせいちゅうすうせいはいほうていかんきしょうこうぐん congenital central hypoventilation syndrome; CCHS n med Advanced ➥