Bista
abbr. Bureau of International Scientific and Technological Affairs (U. S. Department of State) 國際科技事務局（美國國務院）
??? 情景例句
Lacks vitality.
缺乏活力。
The ox is never woe,till he to the harrow go.
掛耙去耕地，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.
他說可能有人正對基地進行偵察，因此命令那個飛行員跟蹤那個奇怪的飛行物。