A large clearing was prepared as a helicopter landing pad for Mr.Bongo to come and lay the first stone for the dam, according to local officials.是什么意思_A large clearing was prepared as a helicopter landing pad for Mr.Bongo to come and lay the first stone for the dam, according to local officials.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句