Dok
abbr. Akad Nauk Doklady Akademii Nauk (Russian=Proceedings of the Academy of Science) （俄语）科学院年报
🗣️ 情景例句
What is this charge here?
这是什么费用？
He who does not gain loses.
无所得即有所失。
He had had a long and uncomfortable trip, for he had been confined to the wooden box for over eighteen hours.
他经历了一次漫长而又难受的旅程，因为他在那木箱里闷了18个多小时。