Bista
abbr. Bureau of International Scientific and Technological Affairs (U. S. Department of State) 国际科技事务局（美国国务院）
🗣️ 情景例句
Lacks vitality.
缺乏活力。
The ox is never woe,till he to the harrow go.
挂耙去耕地，牛才知辛苦。
He said that someone might be spying on the station and the pilot was ordered to keep track of the strange object.
他说可能有人正对基地进行侦察，因此命令那个飞行员跟踪那个奇怪的飞行物。