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
Don't count your chickens before they hatch.
心急吃不了热豆腐。
She's a housewife.
她是家庭主妇。
They plan to immigrate to Finland next year.
他们计划明年移居芬兰。