gland

gland1
noun
  1. an organ in the human or animal body which secretes particular chemical substances for use in the body or for discharge into the surroundings
    (人或动物体内的)腺
    ■a structure resembling this, especially a lymph node
    腺状组织(尤指淋巴结)
    ■(Botany)a secreting cell or group of cells on or within a plant structure
    (植)腺(体)
语源
  1. late 17th cent.: from French glande, alteration of Old French glandre, from Latin glandulae 'throat glands'

gland2
noun
  1. a sleeve used to produce a seal round a piston rod or other shaft
    (用来密封活塞杆或其他杆状物的)密封套
语源
  1. early 19th cent.: probably a variant of Scots glam 'a vice or clamp'; related to clamp
英语宝典
考试词汇表