II.in [美 ɪn, 英 ɪn]副in often appears as the second element of certain verb structures in English (close in, hand in, stand in, etc). For translations, see the relevant verb entry (close, hand, stand, etc).
Symptoms persisted, including high sensitivity to radiant heat (sun, desk lamp, etc.) and growing intolerance to pressure of clothes and to touch in hands and forearms.