Foreground-background monitor
[计] 前台-后台监督程序
🧩 词语组成解析
foreground
['fɔ:graund;'fəurˌgraund]
n. 前景;突出的地方， 最显著的位置;
🗣️ 情景例句
Give me two tickets to New York.
请给我两张去纽约的票。
When do you leave?
你何时起程？
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。