frankincense
/ˈfræŋkɪnˌsens/noun
mass noun
1- an aromatic gum resin obtained from an African tree and burnt as incense乳香。亦称OLIBANUM, GUM OLIBAUNM.
1.1
- This resin is obtained from the tree Boswellia sacra, family Burseraceae, native to Somalia.这种树脂提取自乳香树, 橄榄科：索马里土生。
词源
late Middle English: from Old French franc encens, literally 'high-quality incense', from franc （see FRANK1） in an obsolete sense 'superior, of high quality' (which also existed in English) + encens 'incense'.