Background application
后台应用程序\\n[计] 后台应用程序
🧩 词语组成解析
application
[ˌæpləˈkeʃən]
n. 适用，应用，运用;申请，请求，申请表格;勤勉，用功;敷用，敷用药;
ap加强+pli=ply重叠+cation表名词 → apply放置到=应用+cation表名词 →应用，运用
🗣️ 情景例句
Which newspaper do you read?
你看哪种报纸？
He hasn't done any worthwhile work in five years.
这五年来他没做过一件正经事。
but Captain Fawcett did not take him because the trip was too dangerous.
弗西特机长之所以不送他去，是因为那段飞行太危险了。