Level 6 · word 17,698 of 20,000
sentinel
/ˈsentɪnəl/
American
- n. 哨兵
- Definition
- n. a person or thing that stands guard and keeps watch
- Example
- A lone sentinel stood guard at the castle gate all night.
- 一名孤独的哨兵整夜在城堡门口站岗。
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