相关单词近义词 sentinel 哨兵, lookout 瞭望台, watch 注视, guard 看守, patrol 巡逻, watchman 看守人, custodian 管理人, lookout man 了望员, spotter 观察员, scout 童子军, picket 尖木桩临近词Seoul, sentinel, sentrygo, sentrybox, sentry go, sentry box, sentry-go, sentry post, sentry-box, sentry machine, Sentry post monitor, Sentry box of the glass 返回 sentries