I was peering inside an incubator at the Laboratory of Developmental Neurobiology at the National Institutes of Health in Bethesda, Md.是什么意思_I was peering inside an incubator at the Laboratory of Developmental Neurobiology at the National Institutes of Health in Bethesda, Md.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句