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's been having a fling.
她曾经风流放纵过。
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
Just let me know if you want to bring anyone else.
如果你要带别人来，请随时通知我。