• 基礎(chǔ)釋義
• 例句
• 詞組
• 柯林斯詞典釋義
• 英漢詞典釋義
• 英英詞典釋義
• 行業(yè)詞典釋義

• sentinel duty 哨兵義務(wù)
• The lone sentinel walked toward his post. 憂愁的哨兵走向崗哨.
• We gave the watchword, and the sentinel let us pass. 我們說出口令, 哨兵就把我們放過去了.
• a tall round tower standing sentinel over the river 鎮(zhèn)守在河邊的一座高高的圓塔

• stand sentinel
  (of a soldier) keep watch （士兵）站崗

• N-COUNT
  哨兵;衛(wèi)兵;崗哨
  A sentinel is a sentry.

• n.
  崗哨,哨兵
  sentinel duty 哨兵義務(wù)

• Noun
  1. a person employed to watch for something to happen

• 計算機： 標(biāo)記(表示某段信息開始或終了的符號)；始終標(biāo)記；