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a tall round tower standing sentinel over the river镇守在河边的一座高高的圆塔sentinel duty哨兵义务We gave the watchword, and the sentinel let us pass.我们说出口令, 哨兵就把我们放过去了.The lone sentinel walked toward his post.忧愁的哨兵走向岗哨....
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sentinel的复数形式为：sentinels...
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a tall round tower standing sentinel over the river镇守在河边的一座高高的圆塔We gave the watchword, and the sentinel let us pass.我们说出口令, 哨兵就把我们放过去了.The lone sentinel walked toward his post.忧愁的哨兵走向岗哨....
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sentinel的音标：sentinel的英式发音音标为：['sentɪnl]sentinel的美式发音音标为：['sɛntənəl]...