Op. cit.
abbr. 前面引用的书(in the work already quoted)
🗣️ 情景例句
I am on speaking terms with him.
我和他只是泛泛之交。
Full to the brim
斟满酒
He had been obliged to join the army during the Second World War.
年龄比他两个弟弟大很多，第二次世界大战期间被迫参军。