Areca nut, which is the most commonly used drug in the world after tobacco, ethanol and caffeine, is the main ingredient of betel quid.是什么意思_Areca nut, which is the most commonly used drug in the world after tobacco, ethanol and caffeine, is the main ingredient of betel quid.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句