A resinous substance collected from the buds of certain trees by bees and used as a cement or sealant in the construction of their hives.是什么意思_A resinous substance collected from the buds of certain trees by bees and used as a cement or sealant in the construction of their hives.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句