Mark Adams, a spokesman for the National Radio Astronomy Observatory, says that his institute has not yet been told how much money it must raise to keep the VLBA open.是什么意思_Mark Adams, a spokesman for the National Radio Astronomy Observatory, says that his institute has not yet been told how much money it must raise to keep the VLBA open.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句