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sub [sʌb]

n. 补充人员,僚属,潜水艇,胶层,订户,傻子,【口】三明治
a. 附属的,次级的
vt. 代替比赛

时　态：sub·ma·rined, sub·ma·rin·ing, sub·ma·rines

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The nuclear-powered submarine can overrun any other sub.
核动力潜艇能比其他任何潜艇驶得快。
Cross-head: A sub-heading ranged centrally over a column.
通栏标题:放在一栏中间的小标题。
The peacock is a precious bird in the sub-tropical zone.
孔雀是亚热带地区的珍禽
Sub-heading: Secondary level of heading on a printed piece.
副标题:印刷品上的第二层次标题。
Liverpool brought on their sub at half-time.
利物浦队在中场休息后让候补队员上场比赛。
The sub can outrun any destroyer.
这艘潜水艇比任何驱逐舰航行得都快。

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