Electronic sentry
[计] 电子报警器, 电子哨兵
🧩 词语组成解析
sentry
['sɛntri]
n. 哨兵;警卫;
🗣️ 情景例句
She wants to be here for Grandpa.
她原希望在此等爷爷。
He has forgotten about his job.
他把工作忘得一干二净。
Do you know what time the film begins?
你知道电影何时开始？