/'saɪləʊ; `saɪlo/ n (pl ~s)
1 (a) tall tower or pit, usu on a farm, in which grass or other food for animals can be kept fresh 青贮塔, 青贮窖（贮藏新鲜饲料的建筑, 通常指农场上的）.
(b) tower or pit for storing grain, cement or radioactive waste 用以贮藏谷物、水泥或放射性废料的高塔或地窖.
2 underground place where missiles are kept ready for firing 导弹发射井.

npluralsilos[C]
[Date: 1800-1900; Language: Spanish;Origin:Latin sirus, from Greek siros 'hole for storing corn']
a tall structure like a tower that is used for storing grain, winter food for farm animals etc
a large structure under the ground from which a large missile can be fired