Library science
n. 图书馆（管理）学
🧩 词语组成解析
🗣️ 情景例句
I owe you a good steak dinner.
我欠你一顿牛排晚餐。
A fall into the pit, a gain in your wit.
吃一堑，长一智。
His engine failed and he landed on the sea for the second time.
这次他又遭厄运，因引擎故障第二次降落在海面上。